Home / 631,317.20-946,975.80-158,001.80

Finding the Fourth Proportional to 631,317.20, 946,975.80 and 158,001.80

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Solution

The fourth proportional to 631,317.20, 946,975.80 and 158,001.80 is: 237,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,317.20 : 946,975.80 = 158,001.80 : x
  2. Step 2: Convert to fraction form
    631,317.20/946,975.80 = 158,001.80/x
  3. Step 3: Cross multiply
    631,317.20x = 946,975.80 × 158,001.80
  4. Step 4: Simplify right side
    631,317.20x = 149,623,880,956.44
  5. Step 5: Solve for x
    x = 149,623,880,956.44/631,317.20
  6. Step 6: Final answer
    x = 237,002.70

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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.