Home / 447,699.20-671,450.24-148,108.80

Finding the Fourth Proportional to 447,699.20, 671,450.24 and 148,108.80

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Solution

The fourth proportional to 447,699.20, 671,450.24 and 148,108.80 is: 222,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,699.20 : 671,450.24 = 148,108.80 : x
  2. Step 2: Convert to fraction form
    447,699.20/671,450.24 = 148,108.80/x
  3. Step 3: Cross multiply
    447,699.20x = 671,450.24 × 148,108.80
  4. Step 4: Simplify right side
    447,699.20x = 99,447,689,306.11
  5. Step 5: Solve for x
    x = 99,447,689,306.11/447,699.20
  6. Step 6: Final answer
    x = 222,130.59

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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.