Home / 276,724.15-415,086.53-77,044.97

Finding the Fourth Proportional to 276,724.15, 415,086.53 and 77,044.97

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Solution

The fourth proportional to 276,724.15, 415,086.53 and 77,044.97 is: 115,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,724.15 : 415,086.53 = 77,044.97 : x
  2. Step 2: Convert to fraction form
    276,724.15/415,086.53 = 77,044.97/x
  3. Step 3: Cross multiply
    276,724.15x = 415,086.53 × 77,044.97
  4. Step 4: Simplify right side
    276,724.15x = 31,980,329,903.75
  5. Step 5: Solve for x
    x = 31,980,329,903.75/276,724.15
  6. Step 6: Final answer
    x = 115,567.54

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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.