Home / 417,815.08-626,589.66-137,267.56

Finding the Fourth Proportional to 417,815.08, 626,589.66 and 137,267.56

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Solution

The fourth proportional to 417,815.08, 626,589.66 and 137,267.56 is: 205,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,815.08 : 626,589.66 = 137,267.56 : x
  2. Step 2: Convert to fraction form
    417,815.08/626,589.66 = 137,267.56/x
  3. Step 3: Cross multiply
    417,815.08x = 626,589.66 × 137,267.56
  4. Step 4: Simplify right side
    417,815.08x = 86,010,433,749.43
  5. Step 5: Solve for x
    x = 86,010,433,749.43/417,815.08
  6. Step 6: Final answer
    x = 205,857.66

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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.