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Finding the Fourth Proportional to 171,942.40, 257,330.40 and 150,947.20

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Solution

The fourth proportional to 171,942.40, 257,330.40 and 150,947.20 is: 225,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,942.40 : 257,330.40 = 150,947.20 : x
  2. Step 2: Convert to fraction form
    171,942.40/257,330.40 = 150,947.20/x
  3. Step 3: Cross multiply
    171,942.40x = 257,330.40 × 150,947.20
  4. Step 4: Simplify right side
    171,942.40x = 38,843,303,354.88
  5. Step 5: Solve for x
    x = 38,843,303,354.88/171,942.40
  6. Step 6: Final answer
    x = 225,908.81

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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.