Home / 316,422.24-474,635.25-129,433.74

Finding the Fourth Proportional to 316,422.24, 474,635.25 and 129,433.74

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Solution

The fourth proportional to 316,422.24, 474,635.25 and 129,433.74 is: 194,151.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,422.24 : 474,635.25 = 129,433.74 : x
  2. Step 2: Convert to fraction form
    316,422.24/474,635.25 = 129,433.74/x
  3. Step 3: Cross multiply
    316,422.24x = 474,635.25 × 129,433.74
  4. Step 4: Simplify right side
    316,422.24x = 61,433,815,543.34
  5. Step 5: Solve for x
    x = 61,433,815,543.34/316,422.24
  6. Step 6: Final answer
    x = 194,151.38

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1.5x scale

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.