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Finding the Fourth Proportional to 239,851.41, 359,772.09 and 79,938.92

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Solution

The fourth proportional to 239,851.41, 359,772.09 and 79,938.92 is: 119,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,851.41 : 359,772.09 = 79,938.92 : x
  2. Step 2: Convert to fraction form
    239,851.41/359,772.09 = 79,938.92/x
  3. Step 3: Cross multiply
    239,851.41x = 359,772.09 × 79,938.92
  4. Step 4: Simplify right side
    239,851.41x = 28,759,790,521.88
  5. Step 5: Solve for x
    x = 28,759,790,521.88/239,851.41
  6. Step 6: Final answer
    x = 119,906.70

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1.5x scale

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.