Home / 318,818.62-477,932.55-141,230.98

Finding the Fourth Proportional to 318,818.62, 477,932.55 and 141,230.98

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Solution

The fourth proportional to 318,818.62, 477,932.55 and 141,230.98 is: 211,715.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,818.62 : 477,932.55 = 141,230.98 : x
  2. Step 2: Convert to fraction form
    318,818.62/477,932.55 = 141,230.98/x
  3. Step 3: Cross multiply
    318,818.62x = 477,932.55 × 141,230.98
  4. Step 4: Simplify right side
    318,818.62x = 67,498,882,410.40
  5. Step 5: Solve for x
    x = 67,498,882,410.40/318,818.62
  6. Step 6: Final answer
    x = 211,715.62

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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.