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Finding the Fourth Proportional to 437,527.70, 656,291.55 and 259,943.30

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Solution

The fourth proportional to 437,527.70, 656,291.55 and 259,943.30 is: 389,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,527.70 : 656,291.55 = 259,943.30 : x
  2. Step 2: Convert to fraction form
    437,527.70/656,291.55 = 259,943.30/x
  3. Step 3: Cross multiply
    437,527.70x = 656,291.55 × 259,943.30
  4. Step 4: Simplify right side
    437,527.70x = 170,598,591,269.12
  5. Step 5: Solve for x
    x = 170,598,591,269.12/437,527.70
  6. Step 6: Final answer
    x = 389,914.95

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Similar ratio
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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.