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Finding the Fourth Proportional to 225,409.57, 337,577.63 and 130,439.60

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Solution

The fourth proportional to 225,409.57, 337,577.63 and 130,439.60 is: 195,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,409.57 : 337,577.63 = 130,439.60 : x
  2. Step 2: Convert to fraction form
    225,409.57/337,577.63 = 130,439.60/x
  3. Step 3: Cross multiply
    225,409.57x = 337,577.63 × 130,439.60
  4. Step 4: Simplify right side
    225,409.57x = 44,033,489,951.98
  5. Step 5: Solve for x
    x = 44,033,489,951.98/225,409.57
  6. Step 6: Final answer
    x = 195,348.81

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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.