Home / 315,584.54-435,504.45-172,344.62

Finding the Fourth Proportional to 315,584.54, 435,504.45 and 172,344.62

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Solution

The fourth proportional to 315,584.54, 435,504.45 and 172,344.62 is: 237,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,584.54 : 435,504.45 = 172,344.62 : x
  2. Step 2: Convert to fraction form
    315,584.54/435,504.45 = 172,344.62/x
  3. Step 3: Cross multiply
    315,584.54x = 435,504.45 × 172,344.62
  4. Step 4: Simplify right side
    315,584.54x = 75,056,848,943.56
  5. Step 5: Solve for x
    x = 75,056,848,943.56/315,584.54
  6. Step 6: Final answer
    x = 237,834.37

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1.5x scale

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.