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Finding the Fourth Proportional to 374,358.96, 516,707.15 and 213,308.88

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Solution

The fourth proportional to 374,358.96, 516,707.15 and 213,308.88 is: 294,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,358.96 : 516,707.15 = 213,308.88 : x
  2. Step 2: Convert to fraction form
    374,358.96/516,707.15 = 213,308.88/x
  3. Step 3: Cross multiply
    374,358.96x = 516,707.15 × 213,308.88
  4. Step 4: Simplify right side
    374,358.96x = 110,218,222,387.95
  5. Step 5: Solve for x
    x = 110,218,222,387.95/374,358.96
  6. Step 6: Final answer
    x = 294,418.55

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1.5x scale

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.