Home / 306,200.85-459,356.35-126,186.04

Finding the Fourth Proportional to 306,200.85, 459,356.35 and 126,186.04

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Solution

The fourth proportional to 306,200.85, 459,356.35 and 126,186.04 is: 189,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,200.85 : 459,356.35 = 126,186.04 : x
  2. Step 2: Convert to fraction form
    306,200.85/459,356.35 = 126,186.04/x
  3. Step 3: Cross multiply
    306,200.85x = 459,356.35 × 126,186.04
  4. Step 4: Simplify right side
    306,200.85x = 57,964,358,755.35
  5. Step 5: Solve for x
    x = 57,964,358,755.35/306,200.85
  6. Step 6: Final answer
    x = 189,301.76

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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.