Home / 231,812.20-347,459.10-98,669.80

Finding the Fourth Proportional to 231,812.20, 347,459.10 and 98,669.80

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Solution

The fourth proportional to 231,812.20, 347,459.10 and 98,669.80 is: 147,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,812.20 : 347,459.10 = 98,669.80 : x
  2. Step 2: Convert to fraction form
    231,812.20/347,459.10 = 98,669.80/x
  3. Step 3: Cross multiply
    231,812.20x = 347,459.10 × 98,669.80
  4. Step 4: Simplify right side
    231,812.20x = 34,283,719,905.18
  5. Step 5: Solve for x
    x = 34,283,719,905.18/231,812.20
  6. Step 6: Final answer
    x = 147,894.37

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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.