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Finding the Fourth Proportional to 366,174.72, 549,345.92 and 141,537.02

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Solution

The fourth proportional to 366,174.72, 549,345.92 and 141,537.02 is: 212,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,174.72 : 549,345.92 = 141,537.02 : x
  2. Step 2: Convert to fraction form
    366,174.72/549,345.92 = 141,537.02/x
  3. Step 3: Cross multiply
    366,174.72x = 549,345.92 × 141,537.02
  4. Step 4: Simplify right side
    366,174.72x = 77,752,781,011.54
  5. Step 5: Solve for x
    x = 77,752,781,011.54/366,174.72
  6. Step 6: Final answer
    x = 212,337.93

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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.