Home / 239,340.47-359,043.50-106,217.78

Finding the Fourth Proportional to 239,340.47, 359,043.50 and 106,217.78

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Solution

The fourth proportional to 239,340.47, 359,043.50 and 106,217.78 is: 159,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,340.47 : 359,043.50 = 106,217.78 : x
  2. Step 2: Convert to fraction form
    239,340.47/359,043.50 = 106,217.78/x
  3. Step 3: Cross multiply
    239,340.47x = 359,043.50 × 106,217.78
  4. Step 4: Simplify right side
    239,340.47x = 38,136,801,963.76
  5. Step 5: Solve for x
    x = 38,136,801,963.76/239,340.47
  6. Step 6: Final answer
    x = 159,341.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.