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Finding the Fourth Proportional to 148,356.97, 222,570.47 and 48,516.78

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Solution

The fourth proportional to 148,356.97, 222,570.47 and 48,516.78 is: 72,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,356.97 : 222,570.47 = 48,516.78 : x
  2. Step 2: Convert to fraction form
    148,356.97/222,570.47 = 48,516.78/x
  3. Step 3: Cross multiply
    148,356.97x = 222,570.47 × 48,516.78
  4. Step 4: Simplify right side
    148,356.97x = 10,798,402,527.49
  5. Step 5: Solve for x
    x = 10,798,402,527.49/148,356.97
  6. Step 6: Final answer
    x = 72,786.62

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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.