Home / 269,320.45-403,856.47-79,713.02

Finding the Fourth Proportional to 269,320.45, 403,856.47 and 79,713.02

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Solution

The fourth proportional to 269,320.45, 403,856.47 and 79,713.02 is: 119,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,320.45 : 403,856.47 = 79,713.02 : x
  2. Step 2: Convert to fraction form
    269,320.45/403,856.47 = 79,713.02/x
  3. Step 3: Cross multiply
    269,320.45x = 403,856.47 × 79,713.02
  4. Step 4: Simplify right side
    269,320.45x = 32,192,618,870.24
  5. Step 5: Solve for x
    x = 32,192,618,870.24/269,320.45
  6. Step 6: Final answer
    x = 119,532.77

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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.