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Finding the Fourth Proportional to 241,558.70, 362,228.70 and 91,749.20

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Solution

The fourth proportional to 241,558.70, 362,228.70 and 91,749.20 is: 137,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,558.70 : 362,228.70 = 91,749.20 : x
  2. Step 2: Convert to fraction form
    241,558.70/362,228.70 = 91,749.20/x
  3. Step 3: Cross multiply
    241,558.70x = 362,228.70 × 91,749.20
  4. Step 4: Simplify right side
    241,558.70x = 33,234,193,442.04
  5. Step 5: Solve for x
    x = 33,234,193,442.04/241,558.70
  6. Step 6: Final answer
    x = 137,582.27

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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.