Home / 292,286.16-438,475.10-123,806.97

Finding the Fourth Proportional to 292,286.16, 438,475.10 and 123,806.97

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Solution

The fourth proportional to 292,286.16, 438,475.10 and 123,806.97 is: 185,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,286.16 : 438,475.10 = 123,806.97 : x
  2. Step 2: Convert to fraction form
    292,286.16/438,475.10 = 123,806.97/x
  3. Step 3: Cross multiply
    292,286.16x = 438,475.10 × 123,806.97
  4. Step 4: Simplify right side
    292,286.16x = 54,286,272,932.41
  5. Step 5: Solve for x
    x = 54,286,272,932.41/292,286.16
  6. Step 6: Final answer
    x = 185,729.88

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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.