Home / 382,002.09-527,174.25-220,842.87

Finding the Fourth Proportional to 382,002.09, 527,174.25 and 220,842.87

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Solution

The fourth proportional to 382,002.09, 527,174.25 and 220,842.87 is: 304,769.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,002.09 : 527,174.25 = 220,842.87 : x
  2. Step 2: Convert to fraction form
    382,002.09/527,174.25 = 220,842.87/x
  3. Step 3: Cross multiply
    382,002.09x = 527,174.25 × 220,842.87
  4. Step 4: Simplify right side
    382,002.09x = 116,422,674,360.10
  5. Step 5: Solve for x
    x = 116,422,674,360.10/382,002.09
  6. Step 6: Final answer
    x = 304,769.73

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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.