Home / 231,775.20-347,403.60-98,632.80

Finding the Fourth Proportional to 231,775.20, 347,403.60 and 98,632.80

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Solution

The fourth proportional to 231,775.20, 347,403.60 and 98,632.80 is: 147,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,775.20 : 347,403.60 = 98,632.80 : x
  2. Step 2: Convert to fraction form
    231,775.20/347,403.60 = 98,632.80/x
  3. Step 3: Cross multiply
    231,775.20x = 347,403.60 × 98,632.80
  4. Step 4: Simplify right side
    231,775.20x = 34,265,389,798.08
  5. Step 5: Solve for x
    x = 34,265,389,798.08/231,775.20
  6. Step 6: Final answer
    x = 147,838.90

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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.