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Finding the Fourth Proportional to 200,740.80, 301,111.20 and 67,576.80

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Solution

The fourth proportional to 200,740.80, 301,111.20 and 67,576.80 is: 101,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,740.80 : 301,111.20 = 67,576.80 : x
  2. Step 2: Convert to fraction form
    200,740.80/301,111.20 = 67,576.80/x
  3. Step 3: Cross multiply
    200,740.80x = 301,111.20 × 67,576.80
  4. Step 4: Simplify right side
    200,740.80x = 20,348,131,340.16
  5. Step 5: Solve for x
    x = 20,348,131,340.16/200,740.80
  6. Step 6: Final answer
    x = 101,365.20

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1.5x scale

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.