Home / 353,827.20-530,959.50-143,466.96

Finding the Fourth Proportional to 353,827.20, 530,959.50 and 143,466.96

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Solution

The fourth proportional to 353,827.20, 530,959.50 and 143,466.96 is: 215,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,827.20 : 530,959.50 = 143,466.96 : x
  2. Step 2: Convert to fraction form
    353,827.20/530,959.50 = 143,466.96/x
  3. Step 3: Cross multiply
    353,827.20x = 530,959.50 × 143,466.96
  4. Step 4: Simplify right side
    353,827.20x = 76,175,145,348.12
  5. Step 5: Solve for x
    x = 76,175,145,348.12/353,827.20
  6. Step 6: Final answer
    x = 215,289.12

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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.