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Finding the Fourth Proportional to 218,096.28, 300,988.71 and 133,229.34

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Solution

The fourth proportional to 218,096.28, 300,988.71 and 133,229.34 is: 183,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,096.28 : 300,988.71 = 133,229.34 : x
  2. Step 2: Convert to fraction form
    218,096.28/300,988.71 = 133,229.34/x
  3. Step 3: Cross multiply
    218,096.28x = 300,988.71 × 133,229.34
  4. Step 4: Simplify right side
    218,096.28x = 40,100,527,180.75
  5. Step 5: Solve for x
    x = 40,100,527,180.75/218,096.28
  6. Step 6: Final answer
    x = 183,866.17

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1.5x scale

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.