Home / 229,200.20-316,280.44-127,217.64

Finding the Fourth Proportional to 229,200.20, 316,280.44 and 127,217.64

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Solution

The fourth proportional to 229,200.20, 316,280.44 and 127,217.64 is: 175,551.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,200.20 : 316,280.44 = 127,217.64 : x
  2. Step 2: Convert to fraction form
    229,200.20/316,280.44 = 127,217.64/x
  3. Step 3: Cross multiply
    229,200.20x = 316,280.44 × 127,217.64
  4. Step 4: Simplify right side
    229,200.20x = 40,236,451,154.96
  5. Step 5: Solve for x
    x = 40,236,451,154.96/229,200.20
  6. Step 6: Final answer
    x = 175,551.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.