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Finding the Fourth Proportional to 241,801.20, 362,442.60 and 91,983.60

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Solution

The fourth proportional to 241,801.20, 362,442.60 and 91,983.60 is: 137,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,801.20 : 362,442.60 = 91,983.60 : x
  2. Step 2: Convert to fraction form
    241,801.20/362,442.60 = 91,983.60/x
  3. Step 3: Cross multiply
    241,801.20x = 362,442.60 × 91,983.60
  4. Step 4: Simplify right side
    241,801.20x = 33,338,775,141.36
  5. Step 5: Solve for x
    x = 33,338,775,141.36/241,801.20
  6. Step 6: Final answer
    x = 137,876.80

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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.