Home / 342,305.32-513,507.18-105,668.26

Finding the Fourth Proportional to 342,305.32, 513,507.18 and 105,668.26

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Solution

The fourth proportional to 342,305.32, 513,507.18 and 105,668.26 is: 158,517.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,305.32 : 513,507.18 = 105,668.26 : x
  2. Step 2: Convert to fraction form
    342,305.32/513,507.18 = 105,668.26/x
  3. Step 3: Cross multiply
    342,305.32x = 513,507.18 × 105,668.26
  4. Step 4: Simplify right side
    342,305.32x = 54,261,410,208.11
  5. Step 5: Solve for x
    x = 54,261,410,208.11/342,305.32
  6. Step 6: Final answer
    x = 158,517.58

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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.