Home / 412,277.06-618,406.77-112,757.64

Finding the Fourth Proportional to 412,277.06, 618,406.77 and 112,757.64

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Solution

The fourth proportional to 412,277.06, 618,406.77 and 112,757.64 is: 169,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,277.06 : 618,406.77 = 112,757.64 : x
  2. Step 2: Convert to fraction form
    412,277.06/618,406.77 = 112,757.64/x
  3. Step 3: Cross multiply
    412,277.06x = 618,406.77 × 112,757.64
  4. Step 4: Simplify right side
    412,277.06x = 69,730,087,945.22
  5. Step 5: Solve for x
    x = 69,730,087,945.22/412,277.06
  6. Step 6: Final answer
    x = 169,134.05

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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.