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Finding the Fourth Proportional to 240,306.60, 360,422.10 and 151,287.60

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Solution

The fourth proportional to 240,306.60, 360,422.10 and 151,287.60 is: 226,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,306.60 : 360,422.10 = 151,287.60 : x
  2. Step 2: Convert to fraction form
    240,306.60/360,422.10 = 151,287.60/x
  3. Step 3: Cross multiply
    240,306.60x = 360,422.10 × 151,287.60
  4. Step 4: Simplify right side
    240,306.60x = 54,527,394,495.96
  5. Step 5: Solve for x
    x = 54,527,394,495.96/240,306.60
  6. Step 6: Final answer
    x = 226,907.60

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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.