Home / 485,374.42-728,389.62-169,834.06

Finding the Fourth Proportional to 485,374.42, 728,389.62 and 169,834.06

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Solution

The fourth proportional to 485,374.42, 728,389.62 and 169,834.06 is: 254,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,374.42 : 728,389.62 = 169,834.06 : x
  2. Step 2: Convert to fraction form
    485,374.42/728,389.62 = 169,834.06/x
  3. Step 3: Cross multiply
    485,374.42x = 728,389.62 × 169,834.06
  4. Step 4: Simplify right side
    485,374.42x = 123,705,366,426.46
  5. Step 5: Solve for x
    x = 123,705,366,426.46/485,374.42
  6. Step 6: Final answer
    x = 254,865.85

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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.