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Finding the Fourth Proportional to 412,244.40, 618,006.60 and 159,697.20

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Solution

The fourth proportional to 412,244.40, 618,006.60 and 159,697.20 is: 239,406.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,244.40 : 618,006.60 = 159,697.20 : x
  2. Step 2: Convert to fraction form
    412,244.40/618,006.60 = 159,697.20/x
  3. Step 3: Cross multiply
    412,244.40x = 618,006.60 × 159,697.20
  4. Step 4: Simplify right side
    412,244.40x = 98,693,923,601.52
  5. Step 5: Solve for x
    x = 98,693,923,601.52/412,244.40
  6. Step 6: Final answer
    x = 239,406.34

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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.