Home / 231,480.20-347,252.70-98,359.40

Finding the Fourth Proportional to 231,480.20, 347,252.70 and 98,359.40

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Solution

The fourth proportional to 231,480.20, 347,252.70 and 98,359.40 is: 147,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,480.20 : 347,252.70 = 98,359.40 : x
  2. Step 2: Convert to fraction form
    231,480.20/347,252.70 = 98,359.40/x
  3. Step 3: Cross multiply
    231,480.20x = 347,252.70 × 98,359.40
  4. Step 4: Simplify right side
    231,480.20x = 34,155,567,220.38
  5. Step 5: Solve for x
    x = 34,155,567,220.38/231,480.20
  6. Step 6: Final answer
    x = 147,552.87

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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.