Home / 269,276.20-403,790.12-79,668.76

Finding the Fourth Proportional to 269,276.20, 403,790.12 and 79,668.76

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Solution

The fourth proportional to 269,276.20, 403,790.12 and 79,668.76 is: 119,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,276.20 : 403,790.12 = 79,668.76 : x
  2. Step 2: Convert to fraction form
    269,276.20/403,790.12 = 79,668.76/x
  3. Step 3: Cross multiply
    269,276.20x = 403,790.12 × 79,668.76
  4. Step 4: Simplify right side
    269,276.20x = 32,169,458,160.65
  5. Step 5: Solve for x
    x = 32,169,458,160.65/269,276.20
  6. Step 6: Final answer
    x = 119,466.40

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1.5x scale

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.