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Finding the Fourth Proportional to 272,281.80, 408,422.70 and 252,598.80

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Solution

The fourth proportional to 272,281.80, 408,422.70 and 252,598.80 is: 378,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,281.80 : 408,422.70 = 252,598.80 : x
  2. Step 2: Convert to fraction form
    272,281.80/408,422.70 = 252,598.80/x
  3. Step 3: Cross multiply
    272,281.80x = 408,422.70 × 252,598.80
  4. Step 4: Simplify right side
    272,281.80x = 103,167,083,912.76
  5. Step 5: Solve for x
    x = 103,167,083,912.76/272,281.80
  6. Step 6: Final answer
    x = 378,898.20

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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.