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Finding the Fourth Proportional to 205,234.60, 307,851.90 and 200,860.60

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Solution

The fourth proportional to 205,234.60, 307,851.90 and 200,860.60 is: 301,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,234.60 : 307,851.90 = 200,860.60 : x
  2. Step 2: Convert to fraction form
    205,234.60/307,851.90 = 200,860.60/x
  3. Step 3: Cross multiply
    205,234.60x = 307,851.90 × 200,860.60
  4. Step 4: Simplify right side
    205,234.60x = 61,835,317,345.14
  5. Step 5: Solve for x
    x = 61,835,317,345.14/205,234.60
  6. Step 6: Final answer
    x = 301,290.90

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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.