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Finding the Fourth Proportional to 548,908.60, 822,974.10 and 249,532.60

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Solution

The fourth proportional to 548,908.60, 822,974.10 and 249,532.60 is: 374,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,908.60 : 822,974.10 = 249,532.60 : x
  2. Step 2: Convert to fraction form
    548,908.60/822,974.10 = 249,532.60/x
  3. Step 3: Cross multiply
    548,908.60x = 822,974.10 × 249,532.60
  4. Step 4: Simplify right side
    548,908.60x = 205,358,866,905.66
  5. Step 5: Solve for x
    x = 205,358,866,905.66/548,908.60
  6. Step 6: Final answer
    x = 374,122.15

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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.