Home / 284,519.13-426,989.10-134,759.68

Finding the Fourth Proportional to 284,519.13, 426,989.10 and 134,759.68

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Solution

The fourth proportional to 284,519.13, 426,989.10 and 134,759.68 is: 202,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,519.13 : 426,989.10 = 134,759.68 : x
  2. Step 2: Convert to fraction form
    284,519.13/426,989.10 = 134,759.68/x
  3. Step 3: Cross multiply
    284,519.13x = 426,989.10 × 134,759.68
  4. Step 4: Simplify right side
    284,519.13x = 57,540,916,319.18
  5. Step 5: Solve for x
    x = 57,540,916,319.18/284,519.13
  6. Step 6: Final answer
    x = 202,239.18

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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.