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Finding the Fourth Proportional to 239,675.98, 330,759.78 and 132,252.93

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Solution

The fourth proportional to 239,675.98, 330,759.78 and 132,252.93 is: 182,512.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,675.98 : 330,759.78 = 132,252.93 : x
  2. Step 2: Convert to fraction form
    239,675.98/330,759.78 = 132,252.93/x
  3. Step 3: Cross multiply
    239,675.98x = 330,759.78 × 132,252.93
  4. Step 4: Simplify right side
    239,675.98x = 43,743,950,031.16
  5. Step 5: Solve for x
    x = 43,743,950,031.16/239,675.98
  6. Step 6: Final answer
    x = 182,512.87

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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.