Home / 419,281.17-628,394.13-227,148.18

Finding the Fourth Proportional to 419,281.17, 628,394.13 and 227,148.18

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Solution

The fourth proportional to 419,281.17, 628,394.13 and 227,148.18 is: 340,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,281.17 : 628,394.13 = 227,148.18 : x
  2. Step 2: Convert to fraction form
    419,281.17/628,394.13 = 227,148.18/x
  3. Step 3: Cross multiply
    419,281.17x = 628,394.13 × 227,148.18
  4. Step 4: Simplify right side
    419,281.17x = 142,738,585,148.47
  5. Step 5: Solve for x
    x = 142,738,585,148.47/419,281.17
  6. Step 6: Final answer
    x = 340,436.43

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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.