Home / 285,724.68-394,296.90-164,864.52

Finding the Fourth Proportional to 285,724.68, 394,296.90 and 164,864.52

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Solution

The fourth proportional to 285,724.68, 394,296.90 and 164,864.52 is: 227,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,724.68 : 394,296.90 = 164,864.52 : x
  2. Step 2: Convert to fraction form
    285,724.68/394,296.90 = 164,864.52/x
  3. Step 3: Cross multiply
    285,724.68x = 394,296.90 × 164,864.52
  4. Step 4: Simplify right side
    285,724.68x = 65,005,569,155.99
  5. Step 5: Solve for x
    x = 65,005,569,155.99/285,724.68
  6. Step 6: Final answer
    x = 227,511.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.