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Finding the Fourth Proportional to 230,369.76, 345,106.28 and 130,227.04

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Solution

The fourth proportional to 230,369.76, 345,106.28 and 130,227.04 is: 195,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,369.76 : 345,106.28 = 130,227.04 : x
  2. Step 2: Convert to fraction form
    230,369.76/345,106.28 = 130,227.04/x
  3. Step 3: Cross multiply
    230,369.76x = 345,106.28 × 130,227.04
  4. Step 4: Simplify right side
    230,369.76x = 44,942,169,329.81
  5. Step 5: Solve for x
    x = 44,942,169,329.81/230,369.76
  6. Step 6: Final answer
    x = 195,087.10

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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.