Home / 275,000.20-412,538.70-117,227.40

Finding the Fourth Proportional to 275,000.20, 412,538.70 and 117,227.40

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Solution

The fourth proportional to 275,000.20, 412,538.70 and 117,227.40 is: 175,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,000.20 : 412,538.70 = 117,227.40 : x
  2. Step 2: Convert to fraction form
    275,000.20/412,538.70 = 117,227.40/x
  3. Step 3: Cross multiply
    275,000.20x = 412,538.70 × 117,227.40
  4. Step 4: Simplify right side
    275,000.20x = 48,360,839,200.38
  5. Step 5: Solve for x
    x = 48,360,839,200.38/275,000.20
  6. Step 6: Final answer
    x = 175,857.47

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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.