Home / 447,705.20-671,459.24-148,114.80

Finding the Fourth Proportional to 447,705.20, 671,459.24 and 148,114.80

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Solution

The fourth proportional to 447,705.20, 671,459.24 and 148,114.80 is: 222,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,705.20 : 671,459.24 = 148,114.80 : x
  2. Step 2: Convert to fraction form
    447,705.20/671,459.24 = 148,114.80/x
  3. Step 3: Cross multiply
    447,705.20x = 671,459.24 × 148,114.80
  4. Step 4: Simplify right side
    447,705.20x = 99,453,051,040.75
  5. Step 5: Solve for x
    x = 99,453,051,040.75/447,705.20
  6. Step 6: Final answer
    x = 222,139.59

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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.