Home / 356,126.46-491,454.54-194,981.52

Finding the Fourth Proportional to 356,126.46, 491,454.54 and 194,981.52

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Solution

The fourth proportional to 356,126.46, 491,454.54 and 194,981.52 is: 269,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,126.46 : 491,454.54 = 194,981.52 : x
  2. Step 2: Convert to fraction form
    356,126.46/491,454.54 = 194,981.52/x
  3. Step 3: Cross multiply
    356,126.46x = 491,454.54 × 194,981.52
  4. Step 4: Simplify right side
    356,126.46x = 95,824,553,220.10
  5. Step 5: Solve for x
    x = 95,824,553,220.10/356,126.46
  6. Step 6: Final answer
    x = 269,074.51

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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.