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Finding the Fourth Proportional to 550,230.30, 825,345.45 and 251,294.74

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Solution

The fourth proportional to 550,230.30, 825,345.45 and 251,294.74 is: 376,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,230.30 : 825,345.45 = 251,294.74 : x
  2. Step 2: Convert to fraction form
    550,230.30/825,345.45 = 251,294.74/x
  3. Step 3: Cross multiply
    550,230.30x = 825,345.45 × 251,294.74
  4. Step 4: Simplify right side
    550,230.30x = 207,404,968,204.57
  5. Step 5: Solve for x
    x = 207,404,968,204.57/550,230.30
  6. Step 6: Final answer
    x = 376,942.11

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Similar ratio
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1.5x scale

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.