Home / 418,875.17-628,105.19-148,962.85

Finding the Fourth Proportional to 418,875.17, 628,105.19 and 148,962.85

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Solution

The fourth proportional to 418,875.17, 628,105.19 and 148,962.85 is: 223,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,875.17 : 628,105.19 = 148,962.85 : x
  2. Step 2: Convert to fraction form
    418,875.17/628,105.19 = 148,962.85/x
  3. Step 3: Cross multiply
    418,875.17x = 628,105.19 × 148,962.85
  4. Step 4: Simplify right side
    418,875.17x = 93,564,336,887.11
  5. Step 5: Solve for x
    x = 93,564,336,887.11/418,875.17
  6. Step 6: Final answer
    x = 223,370.46

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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.