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Finding the Fourth Proportional to 576,613.08, 865,002.30 and 177,287.40

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Solution

The fourth proportional to 576,613.08, 865,002.30 and 177,287.40 is: 265,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,613.08 : 865,002.30 = 177,287.40 : x
  2. Step 2: Convert to fraction form
    576,613.08/865,002.30 = 177,287.40/x
  3. Step 3: Cross multiply
    576,613.08x = 865,002.30 × 177,287.40
  4. Step 4: Simplify right side
    576,613.08x = 153,354,008,761.02
  5. Step 5: Solve for x
    x = 153,354,008,761.02/576,613.08
  6. Step 6: Final answer
    x = 265,956.52

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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.