Home / 215,878.94-298,034.69-149,694.85

Finding the Fourth Proportional to 215,878.94, 298,034.69 and 149,694.85

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Solution

The fourth proportional to 215,878.94, 298,034.69 and 149,694.85 is: 206,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,878.94 : 298,034.69 = 149,694.85 : x
  2. Step 2: Convert to fraction form
    215,878.94/298,034.69 = 149,694.85/x
  3. Step 3: Cross multiply
    215,878.94x = 298,034.69 × 149,694.85
  4. Step 4: Simplify right side
    215,878.94x = 44,614,258,680.45
  5. Step 5: Solve for x
    x = 44,614,258,680.45/215,878.94
  6. Step 6: Final answer
    x = 206,663.32

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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.