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Finding the Fourth Proportional to 441,810, 662,715 and 109,386

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Solution

The fourth proportional to 441,810, 662,715 and 109,386 is: 164,079

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,810 : 662,715 = 109,386 : x
  2. Step 2: Convert to fraction form
    441,810/662,715 = 109,386/x
  3. Step 3: Cross multiply
    441,810x = 662,715 × 109,386
  4. Step 4: Simplify right side
    441,810x = 72,491,742,990
  5. Step 5: Solve for x
    x = 72,491,742,990/441,810
  6. Step 6: Final answer
    x = 164,079

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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.