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Finding the Fourth Proportional to 239,567.87, 330,602.31 and 132,137.66

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Solution

The fourth proportional to 239,567.87, 330,602.31 and 132,137.66 is: 182,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,567.87 : 330,602.31 = 132,137.66 : x
  2. Step 2: Convert to fraction form
    239,567.87/330,602.31 = 132,137.66/x
  3. Step 3: Cross multiply
    239,567.87x = 330,602.31 × 132,137.66
  4. Step 4: Simplify right side
    239,567.87x = 43,685,013,980.98
  5. Step 5: Solve for x
    x = 43,685,013,980.98/239,567.87
  6. Step 6: Final answer
    x = 182,349.22

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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.