Home / 229,981.68-343,223.78-214,753.55

Finding the Fourth Proportional to 229,981.68, 343,223.78 and 214,753.55

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Solution

The fourth proportional to 229,981.68, 343,223.78 and 214,753.55 is: 320,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,981.68 : 343,223.78 = 214,753.55 : x
  2. Step 2: Convert to fraction form
    229,981.68/343,223.78 = 214,753.55/x
  3. Step 3: Cross multiply
    229,981.68x = 343,223.78 × 214,753.55
  4. Step 4: Simplify right side
    229,981.68x = 73,708,522,409.53
  5. Step 5: Solve for x
    x = 73,708,522,409.53/229,981.68
  6. Step 6: Final answer
    x = 320,497.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.