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Finding the Fourth Proportional to 441,470.10, 662,303.82 and 160,987.32

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Solution

The fourth proportional to 441,470.10, 662,303.82 and 160,987.32 is: 241,516.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,470.10 : 662,303.82 = 160,987.32 : x
  2. Step 2: Convert to fraction form
    441,470.10/662,303.82 = 160,987.32/x
  3. Step 3: Cross multiply
    441,470.10x = 662,303.82 × 160,987.32
  4. Step 4: Simplify right side
    441,470.10x = 106,622,517,007.56
  5. Step 5: Solve for x
    x = 106,622,517,007.56/441,470.10
  6. Step 6: Final answer
    x = 241,516.96

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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.