Home / 420,048.44-579,666.88-229,063.20

Finding the Fourth Proportional to 420,048.44, 579,666.88 and 229,063.20

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Solution

The fourth proportional to 420,048.44, 579,666.88 and 229,063.20 is: 316,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,048.44 : 579,666.88 = 229,063.20 : x
  2. Step 2: Convert to fraction form
    420,048.44/579,666.88 = 229,063.20/x
  3. Step 3: Cross multiply
    420,048.44x = 579,666.88 × 229,063.20
  4. Step 4: Simplify right side
    420,048.44x = 132,780,350,466.82
  5. Step 5: Solve for x
    x = 132,780,350,466.82/420,048.44
  6. Step 6: Final answer
    x = 316,107.23

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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.