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Finding the Fourth Proportional to 345,565.58, 476,882.84 and 192,613.61

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Solution

The fourth proportional to 345,565.58, 476,882.84 and 192,613.61 is: 265,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,565.58 : 476,882.84 = 192,613.61 : x
  2. Step 2: Convert to fraction form
    345,565.58/476,882.84 = 192,613.61/x
  3. Step 3: Cross multiply
    345,565.58x = 476,882.84 × 192,613.61
  4. Step 4: Simplify right side
    345,565.58x = 91,854,122,011.97
  5. Step 5: Solve for x
    x = 91,854,122,011.97/345,565.58
  6. Step 6: Final answer
    x = 265,808.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.