Home / 239,916.52-331,192.54-158,292.80

Finding the Fourth Proportional to 239,916.52, 331,192.54 and 158,292.80

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Solution

The fourth proportional to 239,916.52, 331,192.54 and 158,292.80 is: 218,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,916.52 : 331,192.54 = 158,292.80 : x
  2. Step 2: Convert to fraction form
    239,916.52/331,192.54 = 158,292.80/x
  3. Step 3: Cross multiply
    239,916.52x = 331,192.54 × 158,292.80
  4. Step 4: Simplify right side
    239,916.52x = 52,425,394,495.71
  5. Step 5: Solve for x
    x = 52,425,394,495.71/239,916.52
  6. Step 6: Final answer
    x = 218,515.15

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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.