Home / 345,621.75-476,951.18-192,650.82

Finding the Fourth Proportional to 345,621.75, 476,951.18 and 192,650.82

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Solution

The fourth proportional to 345,621.75, 476,951.18 and 192,650.82 is: 265,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,621.75 : 476,951.18 = 192,650.82 : x
  2. Step 2: Convert to fraction form
    345,621.75/476,951.18 = 192,650.82/x
  3. Step 3: Cross multiply
    345,621.75x = 476,951.18 × 192,650.82
  4. Step 4: Simplify right side
    345,621.75x = 91,885,034,963.71
  5. Step 5: Solve for x
    x = 91,885,034,963.71/345,621.75
  6. Step 6: Final answer
    x = 265,854.32

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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.