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Finding the Fourth Proportional to 205,166.20, 307,749.30 and 167,841.40

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Solution

The fourth proportional to 205,166.20, 307,749.30 and 167,841.40 is: 251,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,166.20 : 307,749.30 = 167,841.40 : x
  2. Step 2: Convert to fraction form
    205,166.20/307,749.30 = 167,841.40/x
  3. Step 3: Cross multiply
    205,166.20x = 307,749.30 × 167,841.40
  4. Step 4: Simplify right side
    205,166.20x = 51,653,073,361.02
  5. Step 5: Solve for x
    x = 51,653,073,361.02/205,166.20
  6. Step 6: Final answer
    x = 251,762.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.