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Finding the Fourth Proportional to 201,329.01, 301,991.69 and 61,087.64

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Solution

The fourth proportional to 201,329.01, 301,991.69 and 61,087.64 is: 91,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,329.01 : 301,991.69 = 61,087.64 : x
  2. Step 2: Convert to fraction form
    201,329.01/301,991.69 = 61,087.64/x
  3. Step 3: Cross multiply
    201,329.01x = 301,991.69 × 61,087.64
  4. Step 4: Simplify right side
    201,329.01x = 18,447,958,284.47
  5. Step 5: Solve for x
    x = 18,447,958,284.47/201,329.01
  6. Step 6: Final answer
    x = 91,630.90

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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.