Home / 321,466.21-482,279.50-226,881.15

Finding the Fourth Proportional to 321,466.21, 482,279.50 and 226,881.15

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Solution

The fourth proportional to 321,466.21, 482,279.50 and 226,881.15 is: 340,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,466.21 : 482,279.50 = 226,881.15 : x
  2. Step 2: Convert to fraction form
    321,466.21/482,279.50 = 226,881.15/x
  3. Step 3: Cross multiply
    321,466.21x = 482,279.50 × 226,881.15
  4. Step 4: Simplify right side
    321,466.21x = 109,420,127,581.43
  5. Step 5: Solve for x
    x = 109,420,127,581.43/321,466.21
  6. Step 6: Final answer
    x = 340,378.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.