Home / 493,078.92-739,176.12-177,315

Finding the Fourth Proportional to 493,078.92, 739,176.12 and 177,315

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Solution

The fourth proportional to 493,078.92, 739,176.12 and 177,315 is: 265,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,078.92 : 739,176.12 = 177,315 : x
  2. Step 2: Convert to fraction form
    493,078.92/739,176.12 = 177,315/x
  3. Step 3: Cross multiply
    493,078.92x = 739,176.12 × 177,315
  4. Step 4: Simplify right side
    493,078.92x = 131,067,013,717.80
  5. Step 5: Solve for x
    x = 131,067,013,717.80/493,078.92
  6. Step 6: Final answer
    x = 265,813.46

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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.