Home / 384,621.56-576,941.24-131,899.92

Finding the Fourth Proportional to 384,621.56, 576,941.24 and 131,899.92

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Solution

The fourth proportional to 384,621.56, 576,941.24 and 131,899.92 is: 197,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,621.56 : 576,941.24 = 131,899.92 : x
  2. Step 2: Convert to fraction form
    384,621.56/576,941.24 = 131,899.92/x
  3. Step 3: Cross multiply
    384,621.56x = 576,941.24 × 131,899.92
  4. Step 4: Simplify right side
    384,621.56x = 76,098,503,400.70
  5. Step 5: Solve for x
    x = 76,098,503,400.70/384,621.56
  6. Step 6: Final answer
    x = 197,852.93

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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.