Home / 276,964.09-415,381.82-108,487.93

Finding the Fourth Proportional to 276,964.09, 415,381.82 and 108,487.93

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Solution

The fourth proportional to 276,964.09, 415,381.82 and 108,487.93 is: 162,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,964.09 : 415,381.82 = 108,487.93 : x
  2. Step 2: Convert to fraction form
    276,964.09/415,381.82 = 108,487.93/x
  3. Step 3: Cross multiply
    276,964.09x = 415,381.82 × 108,487.93
  4. Step 4: Simplify right side
    276,964.09x = 45,063,913,268.99
  5. Step 5: Solve for x
    x = 45,063,913,268.99/276,964.09
  6. Step 6: Final answer
    x = 162,706.70

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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.