Home / 318,390.08-439,371.60-175,147.52

Finding the Fourth Proportional to 318,390.08, 439,371.60 and 175,147.52

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Solution

The fourth proportional to 318,390.08, 439,371.60 and 175,147.52 is: 241,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,390.08 : 439,371.60 = 175,147.52 : x
  2. Step 2: Convert to fraction form
    318,390.08/439,371.60 = 175,147.52/x
  3. Step 3: Cross multiply
    318,390.08x = 439,371.60 × 175,147.52
  4. Step 4: Simplify right side
    318,390.08x = 76,954,846,098.43
  5. Step 5: Solve for x
    x = 76,954,846,098.43/318,390.08
  6. Step 6: Final answer
    x = 241,699.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.