Home / 231,918.20-347,618.10-98,775.80

Finding the Fourth Proportional to 231,918.20, 347,618.10 and 98,775.80

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Solution

The fourth proportional to 231,918.20, 347,618.10 and 98,775.80 is: 148,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,918.20 : 347,618.10 = 98,775.80 : x
  2. Step 2: Convert to fraction form
    231,918.20/347,618.10 = 98,775.80/x
  3. Step 3: Cross multiply
    231,918.20x = 347,618.10 × 98,775.80
  4. Step 4: Simplify right side
    231,918.20x = 34,336,255,921.98
  5. Step 5: Solve for x
    x = 34,336,255,921.98/231,918.20
  6. Step 6: Final answer
    x = 148,053.30

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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.