Home / 315,787.32-435,786.62-170,593.16

Finding the Fourth Proportional to 315,787.32, 435,786.62 and 170,593.16

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Solution

The fourth proportional to 315,787.32, 435,786.62 and 170,593.16 is: 235,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,787.32 : 435,786.62 = 170,593.16 : x
  2. Step 2: Convert to fraction form
    315,787.32/435,786.62 = 170,593.16/x
  3. Step 3: Cross multiply
    315,787.32x = 435,786.62 × 170,593.16
  4. Step 4: Simplify right side
    315,787.32x = 74,342,213,559.62
  5. Step 5: Solve for x
    x = 74,342,213,559.62/315,787.32
  6. Step 6: Final answer
    x = 235,418.62

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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.