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Finding the Fourth Proportional to 500,551.38, 750,820.82 and 121,475.25

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Solution

The fourth proportional to 500,551.38, 750,820.82 and 121,475.25 is: 182,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,551.38 : 750,820.82 = 121,475.25 : x
  2. Step 2: Convert to fraction form
    500,551.38/750,820.82 = 121,475.25/x
  3. Step 3: Cross multiply
    500,551.38x = 750,820.82 × 121,475.25
  4. Step 4: Simplify right side
    500,551.38x = 91,206,146,207.33
  5. Step 5: Solve for x
    x = 91,206,146,207.33/500,551.38
  6. Step 6: Final answer
    x = 182,211.36

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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.