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Finding the Fourth Proportional to 239,035, 358,568.91 and 79,110.64

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Solution

The fourth proportional to 239,035, 358,568.91 and 79,110.64 is: 118,671.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,035 : 358,568.91 = 79,110.64 : x
  2. Step 2: Convert to fraction form
    239,035/358,568.91 = 79,110.64/x
  3. Step 3: Cross multiply
    239,035x = 358,568.91 × 79,110.64
  4. Step 4: Simplify right side
    239,035x = 28,366,615,954.20
  5. Step 5: Solve for x
    x = 28,366,615,954.20/239,035
  6. Step 6: Final answer
    x = 118,671.39

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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.