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Finding the Fourth Proportional to 242,556.60, 363,834.90 and 137,580.60

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Solution

The fourth proportional to 242,556.60, 363,834.90 and 137,580.60 is: 206,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,556.60 : 363,834.90 = 137,580.60 : x
  2. Step 2: Convert to fraction form
    242,556.60/363,834.90 = 137,580.60/x
  3. Step 3: Cross multiply
    242,556.60x = 363,834.90 × 137,580.60
  4. Step 4: Simplify right side
    242,556.60x = 50,056,623,842.94
  5. Step 5: Solve for x
    x = 50,056,623,842.94/242,556.60
  6. Step 6: Final answer
    x = 206,370.90

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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.