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Finding the Fourth Proportional to 441,411.40, 662,117.10 and 108,987.40

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Solution

The fourth proportional to 441,411.40, 662,117.10 and 108,987.40 is: 163,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,411.40 : 662,117.10 = 108,987.40 : x
  2. Step 2: Convert to fraction form
    441,411.40/662,117.10 = 108,987.40/x
  3. Step 3: Cross multiply
    441,411.40x = 662,117.10 × 108,987.40
  4. Step 4: Simplify right side
    441,411.40x = 72,162,421,224.54
  5. Step 5: Solve for x
    x = 72,162,421,224.54/441,411.40
  6. Step 6: Final answer
    x = 163,481.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.