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Finding the Fourth Proportional to 344,497.25, 516,712.45 and 104,613.23

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Solution

The fourth proportional to 344,497.25, 516,712.45 and 104,613.23 is: 156,909.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,497.25 : 516,712.45 = 104,613.23 : x
  2. Step 2: Convert to fraction form
    344,497.25/516,712.45 = 104,613.23/x
  3. Step 3: Cross multiply
    344,497.25x = 516,712.45 × 104,613.23
  4. Step 4: Simplify right side
    344,497.25x = 54,054,958,375.71
  5. Step 5: Solve for x
    x = 54,054,958,375.71/344,497.25
  6. Step 6: Final answer
    x = 156,909.69

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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.