Home / 317,110.26-437,358.03-278,788.38

Finding the Fourth Proportional to 317,110.26, 437,358.03 and 278,788.38

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Solution

The fourth proportional to 317,110.26, 437,358.03 and 278,788.38 is: 384,504.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,110.26 : 437,358.03 = 278,788.38 : x
  2. Step 2: Convert to fraction form
    317,110.26/437,358.03 = 278,788.38/x
  3. Step 3: Cross multiply
    317,110.26x = 437,358.03 × 278,788.38
  4. Step 4: Simplify right side
    317,110.26x = 121,930,336,663.69
  5. Step 5: Solve for x
    x = 121,930,336,663.69/317,110.26
  6. Step 6: Final answer
    x = 384,504.55

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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.