Home / 447,938.46-672,002.19-148,401.90

Finding the Fourth Proportional to 447,938.46, 672,002.19 and 148,401.90

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Solution

The fourth proportional to 447,938.46, 672,002.19 and 148,401.90 is: 222,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,938.46 : 672,002.19 = 148,401.90 : x
  2. Step 2: Convert to fraction form
    447,938.46/672,002.19 = 148,401.90/x
  3. Step 3: Cross multiply
    447,938.46x = 672,002.19 × 148,401.90
  4. Step 4: Simplify right side
    447,938.46x = 99,726,401,800.16
  5. Step 5: Solve for x
    x = 99,726,401,800.16/447,938.46
  6. Step 6: Final answer
    x = 222,634.16

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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.