Home / 269,869.02-404,732.88-80,278.31

Finding the Fourth Proportional to 269,869.02, 404,732.88 and 80,278.31

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Solution

The fourth proportional to 269,869.02, 404,732.88 and 80,278.31 is: 120,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,869.02 : 404,732.88 = 80,278.31 : x
  2. Step 2: Convert to fraction form
    269,869.02/404,732.88 = 80,278.31/x
  3. Step 3: Cross multiply
    269,869.02x = 404,732.88 × 80,278.31
  4. Step 4: Simplify right side
    269,869.02x = 32,491,271,607.83
  5. Step 5: Solve for x
    x = 32,491,271,607.83/269,869.02
  6. Step 6: Final answer
    x = 120,396.45

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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.