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Finding the Fourth Proportional to 239,677.60, 330,752.64 and 132,249.76

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Solution

The fourth proportional to 239,677.60, 330,752.64 and 132,249.76 is: 182,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,677.60 : 330,752.64 = 132,249.76 : x
  2. Step 2: Convert to fraction form
    239,677.60/330,752.64 = 132,249.76/x
  3. Step 3: Cross multiply
    239,677.60x = 330,752.64 × 132,249.76
  4. Step 4: Simplify right side
    239,677.60x = 43,741,957,259.37
  5. Step 5: Solve for x
    x = 43,741,957,259.37/239,677.60
  6. Step 6: Final answer
    x = 182,503.32

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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.