Home / 445,849.25-668,462.83-165,291.17

Finding the Fourth Proportional to 445,849.25, 668,462.83 and 165,291.17

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Solution

The fourth proportional to 445,849.25, 668,462.83 and 165,291.17 is: 247,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,849.25 : 668,462.83 = 165,291.17 : x
  2. Step 2: Convert to fraction form
    445,849.25/668,462.83 = 165,291.17/x
  3. Step 3: Cross multiply
    445,849.25x = 668,462.83 × 165,291.17
  4. Step 4: Simplify right side
    445,849.25x = 110,490,999,516.67
  5. Step 5: Solve for x
    x = 110,490,999,516.67/445,849.25
  6. Step 6: Final answer
    x = 247,821.43

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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.