Home / 382,338.56-527,635.86-210,245.70

Finding the Fourth Proportional to 382,338.56, 527,635.86 and 210,245.70

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Solution

The fourth proportional to 382,338.56, 527,635.86 and 210,245.70 is: 290,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,338.56 : 527,635.86 = 210,245.70 : x
  2. Step 2: Convert to fraction form
    382,338.56/527,635.86 = 210,245.70/x
  3. Step 3: Cross multiply
    382,338.56x = 527,635.86 × 210,245.70
  4. Step 4: Simplify right side
    382,338.56x = 110,933,170,730.80
  5. Step 5: Solve for x
    x = 110,933,170,730.80/382,338.56
  6. Step 6: Final answer
    x = 290,143.82

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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.