Home / 224,921.02-310,391.32-129,425.80

Finding the Fourth Proportional to 224,921.02, 310,391.32 and 129,425.80

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Solution

The fourth proportional to 224,921.02, 310,391.32 and 129,425.80 is: 178,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,921.02 : 310,391.32 = 129,425.80 : x
  2. Step 2: Convert to fraction form
    224,921.02/310,391.32 = 129,425.80/x
  3. Step 3: Cross multiply
    224,921.02x = 310,391.32 × 129,425.80
  4. Step 4: Simplify right side
    224,921.02x = 40,172,644,904.06
  5. Step 5: Solve for x
    x = 40,172,644,904.06/224,921.02
  6. Step 6: Final answer
    x = 178,607.78

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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.