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Finding the Fourth Proportional to 229,080.80, 343,839.90 and 116,887.70

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Solution

The fourth proportional to 229,080.80, 343,839.90 and 116,887.70 is: 175,443.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,080.80 : 343,839.90 = 116,887.70 : x
  2. Step 2: Convert to fraction form
    229,080.80/343,839.90 = 116,887.70/x
  3. Step 3: Cross multiply
    229,080.80x = 343,839.90 × 116,887.70
  4. Step 4: Simplify right side
    229,080.80x = 40,190,655,079.23
  5. Step 5: Solve for x
    x = 40,190,655,079.23/229,080.80
  6. Step 6: Final answer
    x = 175,443.14

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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.