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Finding the Fourth Proportional to 201,283.38, 301,905.63 and 61,043.22

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Solution

The fourth proportional to 201,283.38, 301,905.63 and 61,043.22 is: 91,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,283.38 : 301,905.63 = 61,043.22 : x
  2. Step 2: Convert to fraction form
    201,283.38/301,905.63 = 61,043.22/x
  3. Step 3: Cross multiply
    201,283.38x = 301,905.63 × 61,043.22
  4. Step 4: Simplify right side
    201,283.38x = 18,429,291,791.33
  5. Step 5: Solve for x
    x = 18,429,291,791.33/201,283.38
  6. Step 6: Final answer
    x = 91,558.93

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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.