Home / 289,944.38-400,124.67-162,626.78

Finding the Fourth Proportional to 289,944.38, 400,124.67 and 162,626.78

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Solution

The fourth proportional to 289,944.38, 400,124.67 and 162,626.78 is: 224,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,944.38 : 400,124.67 = 162,626.78 : x
  2. Step 2: Convert to fraction form
    289,944.38/400,124.67 = 162,626.78/x
  3. Step 3: Cross multiply
    289,944.38x = 400,124.67 × 162,626.78
  4. Step 4: Simplify right side
    289,944.38x = 65,070,986,680.66
  5. Step 5: Solve for x
    x = 65,070,986,680.66/289,944.38
  6. Step 6: Final answer
    x = 224,425.76

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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.