Home / 209,488.39-314,233.23-51,716.86

Finding the Fourth Proportional to 209,488.39, 314,233.23 and 51,716.86

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Solution

The fourth proportional to 209,488.39, 314,233.23 and 51,716.86 is: 77,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,488.39 : 314,233.23 = 51,716.86 : x
  2. Step 2: Convert to fraction form
    209,488.39/314,233.23 = 51,716.86/x
  3. Step 3: Cross multiply
    209,488.39x = 314,233.23 × 51,716.86
  4. Step 4: Simplify right side
    209,488.39x = 16,251,154,392.09
  5. Step 5: Solve for x
    x = 16,251,154,392.09/209,488.39
  6. Step 6: Final answer
    x = 77,575.44

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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.