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Finding the Fourth Proportional to 201,150.20, 301,725.03 and 51,390.60

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Solution

The fourth proportional to 201,150.20, 301,725.03 and 51,390.60 is: 77,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,150.20 : 301,725.03 = 51,390.60 : x
  2. Step 2: Convert to fraction form
    201,150.20/301,725.03 = 51,390.60/x
  3. Step 3: Cross multiply
    201,150.20x = 301,725.03 × 51,390.60
  4. Step 4: Simplify right side
    201,150.20x = 15,505,830,326.72
  5. Step 5: Solve for x
    x = 15,505,830,326.72/201,150.20
  6. Step 6: Final answer
    x = 77,085.83

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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.