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Finding the Fourth Proportional to 200,884.56, 301,318.20 and 60,639

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Solution

The fourth proportional to 200,884.56, 301,318.20 and 60,639 is: 90,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,884.56 : 301,318.20 = 60,639 : x
  2. Step 2: Convert to fraction form
    200,884.56/301,318.20 = 60,639/x
  3. Step 3: Cross multiply
    200,884.56x = 301,318.20 × 60,639
  4. Step 4: Simplify right side
    200,884.56x = 18,271,634,329.80
  5. Step 5: Solve for x
    x = 18,271,634,329.80/200,884.56
  6. Step 6: Final answer
    x = 90,955.89

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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.