Home / 245,593.27-368,388.69-212,211.75

Finding the Fourth Proportional to 245,593.27, 368,388.69 and 212,211.75

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Solution

The fourth proportional to 245,593.27, 368,388.69 and 212,211.75 is: 318,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,593.27 : 368,388.69 = 212,211.75 : x
  2. Step 2: Convert to fraction form
    245,593.27/368,388.69 = 212,211.75/x
  3. Step 3: Cross multiply
    245,593.27x = 368,388.69 × 212,211.75
  4. Step 4: Simplify right side
    245,593.27x = 78,176,408,585.11
  5. Step 5: Solve for x
    x = 78,176,408,585.11/245,593.27
  6. Step 6: Final answer
    x = 318,316.58

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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.