Home / 498,144.28-747,161.06-178,283.23

Finding the Fourth Proportional to 498,144.28, 747,161.06 and 178,283.23

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Solution

The fourth proportional to 498,144.28, 747,161.06 and 178,283.23 is: 267,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,144.28 : 747,161.06 = 178,283.23 : x
  2. Step 2: Convert to fraction form
    498,144.28/747,161.06 = 178,283.23/x
  3. Step 3: Cross multiply
    498,144.28x = 747,161.06 × 178,283.23
  4. Step 4: Simplify right side
    498,144.28x = 133,206,282,479.80
  5. Step 5: Solve for x
    x = 133,206,282,479.80/498,144.28
  6. Step 6: Final answer
    x = 267,405.02

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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.