Home / 408,024.90-611,864.55-197,727.30

Finding the Fourth Proportional to 408,024.90, 611,864.55 and 197,727.30

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Solution

The fourth proportional to 408,024.90, 611,864.55 and 197,727.30 is: 296,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,024.90 : 611,864.55 = 197,727.30 : x
  2. Step 2: Convert to fraction form
    408,024.90/611,864.55 = 197,727.30/x
  3. Step 3: Cross multiply
    408,024.90x = 611,864.55 × 197,727.30
  4. Step 4: Simplify right side
    408,024.90x = 120,982,325,437.22
  5. Step 5: Solve for x
    x = 120,982,325,437.22/408,024.90
  6. Step 6: Final answer
    x = 296,507.21

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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.