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Finding the Fourth Proportional to 500,182.62, 750,275.85 and 121,102.72

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Solution

The fourth proportional to 500,182.62, 750,275.85 and 121,102.72 is: 181,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,182.62 : 750,275.85 = 121,102.72 : x
  2. Step 2: Convert to fraction form
    500,182.62/750,275.85 = 121,102.72/x
  3. Step 3: Cross multiply
    500,182.62x = 750,275.85 × 121,102.72
  4. Step 4: Simplify right side
    500,182.62x = 90,860,446,185.31
  5. Step 5: Solve for x
    x = 90,860,446,185.31/500,182.62
  6. Step 6: Final answer
    x = 181,654.54

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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.