Home / 276,712.27-415,126.76-89,709.19

Finding the Fourth Proportional to 276,712.27, 415,126.76 and 89,709.19

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Solution

The fourth proportional to 276,712.27, 415,126.76 and 89,709.19 is: 134,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,712.27 : 415,126.76 = 89,709.19 : x
  2. Step 2: Convert to fraction form
    276,712.27/415,126.76 = 89,709.19/x
  3. Step 3: Cross multiply
    276,712.27x = 415,126.76 × 89,709.19
  4. Step 4: Simplify right side
    276,712.27x = 37,240,683,900.56
  5. Step 5: Solve for x
    x = 37,240,683,900.56/276,712.27
  6. Step 6: Final answer
    x = 134,582.70

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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.