Home / 269,587.85-404,312.40-80,003.31

Finding the Fourth Proportional to 269,587.85, 404,312.40 and 80,003.31

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Solution

The fourth proportional to 269,587.85, 404,312.40 and 80,003.31 is: 119,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,587.85 : 404,312.40 = 80,003.31 : x
  2. Step 2: Convert to fraction form
    269,587.85/404,312.40 = 80,003.31/x
  3. Step 3: Cross multiply
    269,587.85x = 404,312.40 × 80,003.31
  4. Step 4: Simplify right side
    269,587.85x = 32,346,329,213.93
  5. Step 5: Solve for x
    x = 32,346,329,213.93/269,587.85
  6. Step 6: Final answer
    x = 119,984.38

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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.