Home / 320,832.88-442,761.12-175,648.72

Finding the Fourth Proportional to 320,832.88, 442,761.12 and 175,648.72

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Solution

The fourth proportional to 320,832.88, 442,761.12 and 175,648.72 is: 242,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,832.88 : 442,761.12 = 175,648.72 : x
  2. Step 2: Convert to fraction form
    320,832.88/442,761.12 = 175,648.72/x
  3. Step 3: Cross multiply
    320,832.88x = 442,761.12 × 175,648.72
  4. Step 4: Simplify right side
    320,832.88x = 77,770,423,993.77
  5. Step 5: Solve for x
    x = 77,770,423,993.77/320,832.88
  6. Step 6: Final answer
    x = 242,401.66

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1.5x scale

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.