Home / 231,720.30-347,710.05-98,577.90

Finding the Fourth Proportional to 231,720.30, 347,710.05 and 98,577.90

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Solution

The fourth proportional to 231,720.30, 347,710.05 and 98,577.90 is: 147,921.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,720.30 : 347,710.05 = 98,577.90 : x
  2. Step 2: Convert to fraction form
    231,720.30/347,710.05 = 98,577.90/x
  3. Step 3: Cross multiply
    231,720.30x = 347,710.05 × 98,577.90
  4. Step 4: Simplify right side
    231,720.30x = 34,276,526,537.90
  5. Step 5: Solve for x
    x = 34,276,526,537.90/231,720.30
  6. Step 6: Final answer
    x = 147,921.98

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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.