Home / 445,325.32-667,989.35-108,366.03

Finding the Fourth Proportional to 445,325.32, 667,989.35 and 108,366.03

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Solution

The fourth proportional to 445,325.32, 667,989.35 and 108,366.03 is: 162,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,325.32 : 667,989.35 = 108,366.03 : x
  2. Step 2: Convert to fraction form
    445,325.32/667,989.35 = 108,366.03/x
  3. Step 3: Cross multiply
    445,325.32x = 667,989.35 × 108,366.03
  4. Step 4: Simplify right side
    445,325.32x = 72,387,353,941.78
  5. Step 5: Solve for x
    x = 72,387,353,941.78/445,325.32
  6. Step 6: Final answer
    x = 162,549.38

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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.