Home / 269,510.20-404,265.30-82,521.40

Finding the Fourth Proportional to 269,510.20, 404,265.30 and 82,521.40

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Solution

The fourth proportional to 269,510.20, 404,265.30 and 82,521.40 is: 123,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,510.20 : 404,265.30 = 82,521.40 : x
  2. Step 2: Convert to fraction form
    269,510.20/404,265.30 = 82,521.40/x
  3. Step 3: Cross multiply
    269,510.20x = 404,265.30 × 82,521.40
  4. Step 4: Simplify right side
    269,510.20x = 33,360,538,527.42
  5. Step 5: Solve for x
    x = 33,360,538,527.42/269,510.20
  6. Step 6: Final answer
    x = 123,782.10

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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.