Home / 252,515.40-348,470.28-139,338.96

Finding the Fourth Proportional to 252,515.40, 348,470.28 and 139,338.96

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Solution

The fourth proportional to 252,515.40, 348,470.28 and 139,338.96 is: 192,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,515.40 : 348,470.28 = 139,338.96 : x
  2. Step 2: Convert to fraction form
    252,515.40/348,470.28 = 139,338.96/x
  3. Step 3: Cross multiply
    252,515.40x = 348,470.28 × 139,338.96
  4. Step 4: Simplify right side
    252,515.40x = 48,555,486,406.11
  5. Step 5: Solve for x
    x = 48,555,486,406.11/252,515.40
  6. Step 6: Final answer
    x = 192,287.23

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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.