Home / 412,259.04-618,358.32-131,700.96

Finding the Fourth Proportional to 412,259.04, 618,358.32 and 131,700.96

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Solution

The fourth proportional to 412,259.04, 618,358.32 and 131,700.96 is: 197,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,259.04 : 618,358.32 = 131,700.96 : x
  2. Step 2: Convert to fraction form
    412,259.04/618,358.32 = 131,700.96/x
  3. Step 3: Cross multiply
    412,259.04x = 618,358.32 × 131,700.96
  4. Step 4: Simplify right side
    412,259.04x = 81,438,384,367.99
  5. Step 5: Solve for x
    x = 81,438,384,367.99/412,259.04
  6. Step 6: Final answer
    x = 197,541.78

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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.