Home / 331,330.05-496,995.08-306,972.34

Finding the Fourth Proportional to 331,330.05, 496,995.08 and 306,972.34

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Solution

The fourth proportional to 331,330.05, 496,995.08 and 306,972.34 is: 460,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,330.05 : 496,995.08 = 306,972.34 : x
  2. Step 2: Convert to fraction form
    331,330.05/496,995.08 = 306,972.34/x
  3. Step 3: Cross multiply
    331,330.05x = 496,995.08 × 306,972.34
  4. Step 4: Simplify right side
    331,330.05x = 152,563,739,898.74
  5. Step 5: Solve for x
    x = 152,563,739,898.74/331,330.05
  6. Step 6: Final answer
    x = 460,458.51

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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.