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Finding the Fourth Proportional to 510,613.08, 766,033.37 and 155,654.75

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Solution

The fourth proportional to 510,613.08, 766,033.37 and 155,654.75 is: 233,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,613.08 : 766,033.37 = 155,654.75 : x
  2. Step 2: Convert to fraction form
    510,613.08/766,033.37 = 155,654.75/x
  3. Step 3: Cross multiply
    510,613.08x = 766,033.37 × 155,654.75
  4. Step 4: Simplify right side
    510,613.08x = 119,236,728,090.57
  5. Step 5: Solve for x
    x = 119,236,728,090.57/510,613.08
  6. Step 6: Final answer
    x = 233,516.79

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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.