Home / 382,290.80-527,572.78-210,199.86

Finding the Fourth Proportional to 382,290.80, 527,572.78 and 210,199.86

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Solution

The fourth proportional to 382,290.80, 527,572.78 and 210,199.86 is: 290,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,290.80 : 527,572.78 = 210,199.86 : x
  2. Step 2: Convert to fraction form
    382,290.80/527,572.78 = 210,199.86/x
  3. Step 3: Cross multiply
    382,290.80x = 527,572.78 × 210,199.86
  4. Step 4: Simplify right side
    382,290.80x = 110,895,723,970.31
  5. Step 5: Solve for x
    x = 110,895,723,970.31/382,290.80
  6. Step 6: Final answer
    x = 290,082.12

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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.