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Finding the Fourth Proportional to 269,009.48, 403,419.92 and 79,419.26

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Solution

The fourth proportional to 269,009.48, 403,419.92 and 79,419.26 is: 119,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,009.48 : 403,419.92 = 79,419.26 : x
  2. Step 2: Convert to fraction form
    269,009.48/403,419.92 = 79,419.26/x
  3. Step 3: Cross multiply
    269,009.48x = 403,419.92 × 79,419.26
  4. Step 4: Simplify right side
    269,009.48x = 32,039,309,101.46
  5. Step 5: Solve for x
    x = 32,039,309,101.46/269,009.48
  6. Step 6: Final answer
    x = 119,101.04

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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.