Home / 420,049.44-579,668.26-229,064.20

Finding the Fourth Proportional to 420,049.44, 579,668.26 and 229,064.20

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Solution

The fourth proportional to 420,049.44, 579,668.26 and 229,064.20 is: 316,108.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,049.44 : 579,668.26 = 229,064.20 : x
  2. Step 2: Convert to fraction form
    420,049.44/579,668.26 = 229,064.20/x
  3. Step 3: Cross multiply
    420,049.44x = 579,668.26 × 229,064.20
  4. Step 4: Simplify right side
    420,049.44x = 132,781,246,242.29
  5. Step 5: Solve for x
    x = 132,781,246,242.29/420,049.44
  6. Step 6: Final answer
    x = 316,108.61

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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.