Home / 284,902.55-393,139.08-157,575.41

Finding the Fourth Proportional to 284,902.55, 393,139.08 and 157,575.41

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Solution

The fourth proportional to 284,902.55, 393,139.08 and 157,575.41 is: 217,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,902.55 : 393,139.08 = 157,575.41 : x
  2. Step 2: Convert to fraction form
    284,902.55/393,139.08 = 157,575.41/x
  3. Step 3: Cross multiply
    284,902.55x = 393,139.08 × 157,575.41
  4. Step 4: Simplify right side
    284,902.55x = 61,949,051,718.02
  5. Step 5: Solve for x
    x = 61,949,051,718.02/284,902.55
  6. Step 6: Final answer
    x = 217,439.44

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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.