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Finding the Fourth Proportional to 239,758.80, 359,798.80 and 99,517.60

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Solution

The fourth proportional to 239,758.80, 359,798.80 and 99,517.60 is: 149,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,758.80 : 359,798.80 = 99,517.60 : x
  2. Step 2: Convert to fraction form
    239,758.80/359,798.80 = 99,517.60/x
  3. Step 3: Cross multiply
    239,758.80x = 359,798.80 × 99,517.60
  4. Step 4: Simplify right side
    239,758.80x = 35,806,313,058.88
  5. Step 5: Solve for x
    x = 35,806,313,058.88/239,758.80
  6. Step 6: Final answer
    x = 149,343.06

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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.