Home / 229,981.14-317,334.47-211,378.37

Finding the Fourth Proportional to 229,981.14, 317,334.47 and 211,378.37

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Solution

The fourth proportional to 229,981.14, 317,334.47 and 211,378.37 is: 291,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,981.14 : 317,334.47 = 211,378.37 : x
  2. Step 2: Convert to fraction form
    229,981.14/317,334.47 = 211,378.37/x
  3. Step 3: Cross multiply
    229,981.14x = 317,334.47 × 211,378.37
  4. Step 4: Simplify right side
    229,981.14x = 67,077,640,369.85
  5. Step 5: Solve for x
    x = 67,077,640,369.85/229,981.14
  6. Step 6: Final answer
    x = 291,665.83

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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.