Home / 269,830.04-404,708.13-80,319.66

Finding the Fourth Proportional to 269,830.04, 404,708.13 and 80,319.66

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Solution

The fourth proportional to 269,830.04, 404,708.13 and 80,319.66 is: 120,468.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,830.04 : 404,708.13 = 80,319.66 : x
  2. Step 2: Convert to fraction form
    269,830.04/404,708.13 = 80,319.66/x
  3. Step 3: Cross multiply
    269,830.04x = 404,708.13 × 80,319.66
  4. Step 4: Simplify right side
    269,830.04x = 32,506,019,400.84
  5. Step 5: Solve for x
    x = 32,506,019,400.84/269,830.04
  6. Step 6: Final answer
    x = 120,468.50

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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.