Home / 853,236.57-1,279,931.40-222,155.85

Finding the Fourth Proportional to 853,236.57, 1,279,931.40 and 222,155.85

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Solution

The fourth proportional to 853,236.57, 1,279,931.40 and 222,155.85 is: 333,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,236.57 : 1,279,931.40 = 222,155.85 : x
  2. Step 2: Convert to fraction form
    853,236.57/1,279,931.40 = 222,155.85/x
  3. Step 3: Cross multiply
    853,236.57x = 1,279,931.40 × 222,155.85
  4. Step 4: Simplify right side
    853,236.57x = 284,344,248,108.69
  5. Step 5: Solve for x
    x = 284,344,248,108.69/853,236.57
  6. Step 6: Final answer
    x = 333,253.70

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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.