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Finding the Fourth Proportional to 406,480.95, 560,927.70 and 225,195.71

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Solution

The fourth proportional to 406,480.95, 560,927.70 and 225,195.71 is: 310,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,480.95 : 560,927.70 = 225,195.71 : x
  2. Step 2: Convert to fraction form
    406,480.95/560,927.70 = 225,195.71/x
  3. Step 3: Cross multiply
    406,480.95x = 560,927.70 × 225,195.71
  4. Step 4: Simplify right side
    406,480.95x = 126,318,508,855.53
  5. Step 5: Solve for x
    x = 126,318,508,855.53/406,480.95
  6. Step 6: Final answer
    x = 310,761.20

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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.