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Finding the Fourth Proportional to 632,671.36, 948,972.96 and 159,355.84

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Solution

The fourth proportional to 632,671.36, 948,972.96 and 159,355.84 is: 239,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,671.36 : 948,972.96 = 159,355.84 : x
  2. Step 2: Convert to fraction form
    632,671.36/948,972.96 = 159,355.84/x
  3. Step 3: Cross multiply
    632,671.36x = 948,972.96 × 159,355.84
  4. Step 4: Simplify right side
    632,671.36x = 151,224,383,178.09
  5. Step 5: Solve for x
    x = 151,224,383,178.09/632,671.36
  6. Step 6: Final answer
    x = 239,025.18

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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.