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Finding the Fourth Proportional to 550,600.69, 825,812.70 and 151,148.20

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Solution

The fourth proportional to 550,600.69, 825,812.70 and 151,148.20 is: 226,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,600.69 : 825,812.70 = 151,148.20 : x
  2. Step 2: Convert to fraction form
    550,600.69/825,812.70 = 151,148.20/x
  3. Step 3: Cross multiply
    550,600.69x = 825,812.70 × 151,148.20
  4. Step 4: Simplify right side
    550,600.69x = 124,820,103,142.14
  5. Step 5: Solve for x
    x = 124,820,103,142.14/550,600.69
  6. Step 6: Final answer
    x = 226,698.05

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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.