Home / 264,209.75-396,231.38-86,675.39

Finding the Fourth Proportional to 264,209.75, 396,231.38 and 86,675.39

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Solution

The fourth proportional to 264,209.75, 396,231.38 and 86,675.39 is: 129,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,209.75 : 396,231.38 = 86,675.39 : x
  2. Step 2: Convert to fraction form
    264,209.75/396,231.38 = 86,675.39/x
  3. Step 3: Cross multiply
    264,209.75x = 396,231.38 × 86,675.39
  4. Step 4: Simplify right side
    264,209.75x = 34,343,508,958.36
  5. Step 5: Solve for x
    x = 34,343,508,958.36/264,209.75
  6. Step 6: Final answer
    x = 129,985.77

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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.