Home / 269,775.98-404,663.70-80,235.58

Finding the Fourth Proportional to 269,775.98, 404,663.70 and 80,235.58

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Solution

The fourth proportional to 269,775.98, 404,663.70 and 80,235.58 is: 120,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,775.98 : 404,663.70 = 80,235.58 : x
  2. Step 2: Convert to fraction form
    269,775.98/404,663.70 = 80,235.58/x
  3. Step 3: Cross multiply
    269,775.98x = 404,663.70 × 80,235.58
  4. Step 4: Simplify right side
    269,775.98x = 32,468,426,674.45
  5. Step 5: Solve for x
    x = 32,468,426,674.45/269,775.98
  6. Step 6: Final answer
    x = 120,353.29

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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.