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Finding the Fourth Proportional to 485,098.26, 726,303.87 and 247,930.26

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Solution

The fourth proportional to 485,098.26, 726,303.87 and 247,930.26 is: 371,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,098.26 : 726,303.87 = 247,930.26 : x
  2. Step 2: Convert to fraction form
    485,098.26/726,303.87 = 247,930.26/x
  3. Step 3: Cross multiply
    485,098.26x = 726,303.87 × 247,930.26
  4. Step 4: Simplify right side
    485,098.26x = 180,072,707,328.11
  5. Step 5: Solve for x
    x = 180,072,707,328.11/485,098.26
  6. Step 6: Final answer
    x = 371,208.73

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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.