Home / 239,830.45-330,957.34-132,398.18

Finding the Fourth Proportional to 239,830.45, 330,957.34 and 132,398.18

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Solution

The fourth proportional to 239,830.45, 330,957.34 and 132,398.18 is: 182,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,830.45 : 330,957.34 = 132,398.18 : x
  2. Step 2: Convert to fraction form
    239,830.45/330,957.34 = 132,398.18/x
  3. Step 3: Cross multiply
    239,830.45x = 330,957.34 × 132,398.18
  4. Step 4: Simplify right side
    239,830.45x = 43,818,149,473.64
  5. Step 5: Solve for x
    x = 43,818,149,473.64/239,830.45
  6. Step 6: Final answer
    x = 182,704.70

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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.