Home / 363,819.40-545,729.10-306,082.60

Finding the Fourth Proportional to 363,819.40, 545,729.10 and 306,082.60

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Solution

The fourth proportional to 363,819.40, 545,729.10 and 306,082.60 is: 459,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,819.40 : 545,729.10 = 306,082.60 : x
  2. Step 2: Convert to fraction form
    363,819.40/545,729.10 = 306,082.60/x
  3. Step 3: Cross multiply
    363,819.40x = 545,729.10 × 306,082.60
  4. Step 4: Simplify right side
    363,819.40x = 167,038,181,823.66
  5. Step 5: Solve for x
    x = 167,038,181,823.66/363,819.40
  6. Step 6: Final answer
    x = 459,123.90

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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.