Home / 457,316.30-685,974.45-141,805.10

Finding the Fourth Proportional to 457,316.30, 685,974.45 and 141,805.10

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Solution

The fourth proportional to 457,316.30, 685,974.45 and 141,805.10 is: 212,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,316.30 : 685,974.45 = 141,805.10 : x
  2. Step 2: Convert to fraction form
    457,316.30/685,974.45 = 141,805.10/x
  3. Step 3: Cross multiply
    457,316.30x = 685,974.45 × 141,805.10
  4. Step 4: Simplify right side
    457,316.30x = 97,274,675,479.70
  5. Step 5: Solve for x
    x = 97,274,675,479.70/457,316.30
  6. Step 6: Final answer
    x = 212,707.65

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Similar ratio
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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.