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Finding the Fourth Proportional to 224,496.81, 309,808.46 and 132,619.12

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Solution

The fourth proportional to 224,496.81, 309,808.46 and 132,619.12 is: 183,016.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,496.81 : 309,808.46 = 132,619.12 : x
  2. Step 2: Convert to fraction form
    224,496.81/309,808.46 = 132,619.12/x
  3. Step 3: Cross multiply
    224,496.81x = 309,808.46 × 132,619.12
  4. Step 4: Simplify right side
    224,496.81x = 41,086,525,333.76
  5. Step 5: Solve for x
    x = 41,086,525,333.76/224,496.81
  6. Step 6: Final answer
    x = 183,016.08

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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.