Home / 263,248.38-363,281.40-142,389.54

Finding the Fourth Proportional to 263,248.38, 363,281.40 and 142,389.54

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Solution

The fourth proportional to 263,248.38, 363,281.40 and 142,389.54 is: 196,496.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,248.38 : 363,281.40 = 142,389.54 : x
  2. Step 2: Convert to fraction form
    263,248.38/363,281.40 = 142,389.54/x
  3. Step 3: Cross multiply
    263,248.38x = 363,281.40 × 142,389.54
  4. Step 4: Simplify right side
    263,248.38x = 51,727,471,436.56
  5. Step 5: Solve for x
    x = 51,727,471,436.56/263,248.38
  6. Step 6: Final answer
    x = 196,496.83

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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.