Home / 351,189.11-526,467.53-126,391.47

Finding the Fourth Proportional to 351,189.11, 526,467.53 and 126,391.47

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Solution

The fourth proportional to 351,189.11, 526,467.53 and 126,391.47 is: 189,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,189.11 : 526,467.53 = 126,391.47 : x
  2. Step 2: Convert to fraction form
    351,189.11/526,467.53 = 126,391.47/x
  3. Step 3: Cross multiply
    351,189.11x = 526,467.53 × 126,391.47
  4. Step 4: Simplify right side
    351,189.11x = 66,541,004,392.01
  5. Step 5: Solve for x
    x = 66,541,004,392.01/351,189.11
  6. Step 6: Final answer
    x = 189,473.43

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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.