Home / 447,558.26-671,337.38-131,990.56

Finding the Fourth Proportional to 447,558.26, 671,337.38 and 131,990.56

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Solution

The fourth proportional to 447,558.26, 671,337.38 and 131,990.56 is: 197,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,558.26 : 671,337.38 = 131,990.56 : x
  2. Step 2: Convert to fraction form
    447,558.26/671,337.38 = 131,990.56/x
  3. Step 3: Cross multiply
    447,558.26x = 671,337.38 × 131,990.56
  4. Step 4: Simplify right side
    447,558.26x = 88,610,195,386.77
  5. Step 5: Solve for x
    x = 88,610,195,386.77/447,558.26
  6. Step 6: Final answer
    x = 197,985.84

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Similar ratio
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1.5x scale

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.