Home / 631,009.62-946,516.01-251,961.21

Finding the Fourth Proportional to 631,009.62, 946,516.01 and 251,961.21

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Solution

The fourth proportional to 631,009.62, 946,516.01 and 251,961.21 is: 377,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,009.62 : 946,516.01 = 251,961.21 : x
  2. Step 2: Convert to fraction form
    631,009.62/946,516.01 = 251,961.21/x
  3. Step 3: Cross multiply
    631,009.62x = 946,516.01 × 251,961.21
  4. Step 4: Simplify right side
    631,009.62x = 238,485,317,904.17
  5. Step 5: Solve for x
    x = 238,485,317,904.17/631,009.62
  6. Step 6: Final answer
    x = 377,942.44

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.