Home / 420,867.48-580,771.26-229,842.12

Finding the Fourth Proportional to 420,867.48, 580,771.26 and 229,842.12

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Solution

The fourth proportional to 420,867.48, 580,771.26 and 229,842.12 is: 317,168.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,867.48 : 580,771.26 = 229,842.12 : x
  2. Step 2: Convert to fraction form
    420,867.48/580,771.26 = 229,842.12/x
  3. Step 3: Cross multiply
    420,867.48x = 580,771.26 × 229,842.12
  4. Step 4: Simplify right side
    420,867.48x = 133,485,697,633.47
  5. Step 5: Solve for x
    x = 133,485,697,633.47/420,867.48
  6. Step 6: Final answer
    x = 317,168.00

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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.