Home / 231,517.80-347,276.70-98,402.40

Finding the Fourth Proportional to 231,517.80, 347,276.70 and 98,402.40

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Solution

The fourth proportional to 231,517.80, 347,276.70 and 98,402.40 is: 147,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,517.80 : 347,276.70 = 98,402.40 : x
  2. Step 2: Convert to fraction form
    231,517.80/347,276.70 = 98,402.40/x
  3. Step 3: Cross multiply
    231,517.80x = 347,276.70 × 98,402.40
  4. Step 4: Simplify right side
    231,517.80x = 34,172,860,744.08
  5. Step 5: Solve for x
    x = 34,172,860,744.08/231,517.80
  6. Step 6: Final answer
    x = 147,603.60

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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.