Home / 374,957.28-517,439.68-202,874.72

Finding the Fourth Proportional to 374,957.28, 517,439.68 and 202,874.72

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Solution

The fourth proportional to 374,957.28, 517,439.68 and 202,874.72 is: 279,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,957.28 : 517,439.68 = 202,874.72 : x
  2. Step 2: Convert to fraction form
    374,957.28/517,439.68 = 202,874.72/x
  3. Step 3: Cross multiply
    374,957.28x = 517,439.68 × 202,874.72
  4. Step 4: Simplify right side
    374,957.28x = 104,975,430,196.89
  5. Step 5: Solve for x
    x = 104,975,430,196.89/374,957.28
  6. Step 6: Final answer
    x = 279,966.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.