Home / 351,507.72-527,152.48-126,839

Finding the Fourth Proportional to 351,507.72, 527,152.48 and 126,839

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Solution

The fourth proportional to 351,507.72, 527,152.48 and 126,839 is: 190,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,507.72 : 527,152.48 = 126,839 : x
  2. Step 2: Convert to fraction form
    351,507.72/527,152.48 = 126,839/x
  3. Step 3: Cross multiply
    351,507.72x = 527,152.48 × 126,839
  4. Step 4: Simplify right side
    351,507.72x = 66,863,493,410.72
  5. Step 5: Solve for x
    x = 66,863,493,410.72/351,507.72
  6. Step 6: Final answer
    x = 190,219.13

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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.