Home / 234,428.38-323,510.76-127,001.12

Finding the Fourth Proportional to 234,428.38, 323,510.76 and 127,001.12

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Solution

The fourth proportional to 234,428.38, 323,510.76 and 127,001.12 is: 175,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,428.38 : 323,510.76 = 127,001.12 : x
  2. Step 2: Convert to fraction form
    234,428.38/323,510.76 = 127,001.12/x
  3. Step 3: Cross multiply
    234,428.38x = 323,510.76 × 127,001.12
  4. Step 4: Simplify right side
    234,428.38x = 41,086,227,234.50
  5. Step 5: Solve for x
    x = 41,086,227,234.50/234,428.38
  6. Step 6: Final answer
    x = 175,261.32

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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.