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Finding the Fourth Proportional to 148,360, 222,575 and 48,519.80

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Solution

The fourth proportional to 148,360, 222,575 and 48,519.80 is: 72,791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,360 : 222,575 = 48,519.80 : x
  2. Step 2: Convert to fraction form
    148,360/222,575 = 48,519.80/x
  3. Step 3: Cross multiply
    148,360x = 222,575 × 48,519.80
  4. Step 4: Simplify right side
    148,360x = 10,799,294,485
  5. Step 5: Solve for x
    x = 10,799,294,485/148,360
  6. Step 6: Final answer
    x = 72,791.15

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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.