Home / 247,962.70-371,944.05-129,670.30

Finding the Fourth Proportional to 247,962.70, 371,944.05 and 129,670.30

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Solution

The fourth proportional to 247,962.70, 371,944.05 and 129,670.30 is: 194,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,962.70 : 371,944.05 = 129,670.30 : x
  2. Step 2: Convert to fraction form
    247,962.70/371,944.05 = 129,670.30/x
  3. Step 3: Cross multiply
    247,962.70x = 371,944.05 × 129,670.30
  4. Step 4: Simplify right side
    247,962.70x = 48,230,096,546.72
  5. Step 5: Solve for x
    x = 48,230,096,546.72/247,962.70
  6. Step 6: Final answer
    x = 194,505.45

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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.