Home / 447,744.90-671,617.35-148,271.70

Finding the Fourth Proportional to 447,744.90, 671,617.35 and 148,271.70

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Solution

The fourth proportional to 447,744.90, 671,617.35 and 148,271.70 is: 222,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,744.90 : 671,617.35 = 148,271.70 : x
  2. Step 2: Convert to fraction form
    447,744.90/671,617.35 = 148,271.70/x
  3. Step 3: Cross multiply
    447,744.90x = 671,617.35 × 148,271.70
  4. Step 4: Simplify right side
    447,744.90x = 99,581,846,234.00
  5. Step 5: Solve for x
    x = 99,581,846,234.00/447,744.90
  6. Step 6: Final answer
    x = 222,407.55

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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.