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Finding the Fourth Proportional to 315,196.67, 434,969.33 and 179,230.62

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Solution

The fourth proportional to 315,196.67, 434,969.33 and 179,230.62 is: 247,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,196.67 : 434,969.33 = 179,230.62 : x
  2. Step 2: Convert to fraction form
    315,196.67/434,969.33 = 179,230.62/x
  3. Step 3: Cross multiply
    315,196.67x = 434,969.33 × 179,230.62
  4. Step 4: Simplify right side
    315,196.67x = 77,959,822,696.88
  5. Step 5: Solve for x
    x = 77,959,822,696.88/315,196.67
  6. Step 6: Final answer
    x = 247,337.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.