Home / 288,968.22-433,377.75-86,524.38

Finding the Fourth Proportional to 288,968.22, 433,377.75 and 86,524.38

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Solution

The fourth proportional to 288,968.22, 433,377.75 and 86,524.38 is: 129,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,968.22 : 433,377.75 = 86,524.38 : x
  2. Step 2: Convert to fraction form
    288,968.22/433,377.75 = 86,524.38/x
  3. Step 3: Cross multiply
    288,968.22x = 433,377.75 × 86,524.38
  4. Step 4: Simplify right side
    288,968.22x = 37,497,741,124.55
  5. Step 5: Solve for x
    x = 37,497,741,124.55/288,968.22
  6. Step 6: Final answer
    x = 129,764.24

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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.