Home / 330,859.10-496,288.65-173,135.90

Finding the Fourth Proportional to 330,859.10, 496,288.65 and 173,135.90

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Solution

The fourth proportional to 330,859.10, 496,288.65 and 173,135.90 is: 259,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,859.10 : 496,288.65 = 173,135.90 : x
  2. Step 2: Convert to fraction form
    330,859.10/496,288.65 = 173,135.90/x
  3. Step 3: Cross multiply
    330,859.10x = 496,288.65 × 173,135.90
  4. Step 4: Simplify right side
    330,859.10x = 85,925,382,077.54
  5. Step 5: Solve for x
    x = 85,925,382,077.54/330,859.10
  6. Step 6: Final answer
    x = 259,703.85

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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.