Home / 447,550.30-671,094.60-131,966.20

Finding the Fourth Proportional to 447,550.30, 671,094.60 and 131,966.20

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Solution

The fourth proportional to 447,550.30, 671,094.60 and 131,966.20 is: 197,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,550.30 : 671,094.60 = 131,966.20 : x
  2. Step 2: Convert to fraction form
    447,550.30/671,094.60 = 131,966.20/x
  3. Step 3: Cross multiply
    447,550.30x = 671,094.60 × 131,966.20
  4. Step 4: Simplify right side
    447,550.30x = 88,561,804,202.52
  5. Step 5: Solve for x
    x = 88,561,804,202.52/447,550.30
  6. Step 6: Final answer
    x = 197,881.23

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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.