Home / 215,634.61-297,299.31-176,729.24

Finding the Fourth Proportional to 215,634.61, 297,299.31 and 176,729.24

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Solution

The fourth proportional to 215,634.61, 297,299.31 and 176,729.24 is: 243,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,634.61 : 297,299.31 = 176,729.24 : x
  2. Step 2: Convert to fraction form
    215,634.61/297,299.31 = 176,729.24/x
  3. Step 3: Cross multiply
    215,634.61x = 297,299.31 × 176,729.24
  4. Step 4: Simplify right side
    215,634.61x = 52,541,482,183.44
  5. Step 5: Solve for x
    x = 52,541,482,183.44/215,634.61
  6. Step 6: Final answer
    x = 243,659.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.