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Finding the Fourth Proportional to 200,304.76, 300,386.06 and 73,918.02

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Solution

The fourth proportional to 200,304.76, 300,386.06 and 73,918.02 is: 110,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,304.76 : 300,386.06 = 73,918.02 : x
  2. Step 2: Convert to fraction form
    200,304.76/300,386.06 = 73,918.02/x
  3. Step 3: Cross multiply
    200,304.76x = 300,386.06 × 73,918.02
  4. Step 4: Simplify right side
    200,304.76x = 22,203,942,790.80
  5. Step 5: Solve for x
    x = 22,203,942,790.80/200,304.76
  6. Step 6: Final answer
    x = 110,850.80

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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.