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Finding the Fourth Proportional to 147,227.60, 220,841.40 and 100,571.60

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Solution

The fourth proportional to 147,227.60, 220,841.40 and 100,571.60 is: 150,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,227.60 : 220,841.40 = 100,571.60 : x
  2. Step 2: Convert to fraction form
    147,227.60/220,841.40 = 100,571.60/x
  3. Step 3: Cross multiply
    147,227.60x = 220,841.40 × 100,571.60
  4. Step 4: Simplify right side
    147,227.60x = 22,210,372,944.24
  5. Step 5: Solve for x
    x = 22,210,372,944.24/147,227.60
  6. Step 6: Final answer
    x = 150,857.40

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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.