Home / 269,538.20-404,307.30-80,005.40

Finding the Fourth Proportional to 269,538.20, 404,307.30 and 80,005.40

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Solution

The fourth proportional to 269,538.20, 404,307.30 and 80,005.40 is: 120,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,538.20 : 404,307.30 = 80,005.40 : x
  2. Step 2: Convert to fraction form
    269,538.20/404,307.30 = 80,005.40/x
  3. Step 3: Cross multiply
    269,538.20x = 404,307.30 × 80,005.40
  4. Step 4: Simplify right side
    269,538.20x = 32,346,767,259.42
  5. Step 5: Solve for x
    x = 32,346,767,259.42/269,538.20
  6. Step 6: Final answer
    x = 120,008.10

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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.