Home / 276,582.48-381,688.68-163,404.96

Finding the Fourth Proportional to 276,582.48, 381,688.68 and 163,404.96

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Solution

The fourth proportional to 276,582.48, 381,688.68 and 163,404.96 is: 225,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,582.48 : 381,688.68 = 163,404.96 : x
  2. Step 2: Convert to fraction form
    276,582.48/381,688.68 = 163,404.96/x
  3. Step 3: Cross multiply
    276,582.48x = 381,688.68 × 163,404.96
  4. Step 4: Simplify right side
    276,582.48x = 62,369,823,487.85
  5. Step 5: Solve for x
    x = 62,369,823,487.85/276,582.48
  6. Step 6: Final answer
    x = 225,501.71

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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.