Home / 445,729.41-668,692.55-165,246.66

Finding the Fourth Proportional to 445,729.41, 668,692.55 and 165,246.66

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Solution

The fourth proportional to 445,729.41, 668,692.55 and 165,246.66 is: 247,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,729.41 : 668,692.55 = 165,246.66 : x
  2. Step 2: Convert to fraction form
    445,729.41/668,692.55 = 165,246.66/x
  3. Step 3: Cross multiply
    445,729.41x = 668,692.55 × 165,246.66
  4. Step 4: Simplify right side
    445,729.41x = 110,499,209,628.15
  5. Step 5: Solve for x
    x = 110,499,209,628.15/445,729.41
  6. Step 6: Final answer
    x = 247,906.48

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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.