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Finding the Fourth Proportional to 205,355.60, 307,572.60 and 168,491.60

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Solution

The fourth proportional to 205,355.60, 307,572.60 and 168,491.60 is: 252,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,355.60 : 307,572.60 = 168,491.60 : x
  2. Step 2: Convert to fraction form
    205,355.60/307,572.60 = 168,491.60/x
  3. Step 3: Cross multiply
    205,355.60x = 307,572.60 × 168,491.60
  4. Step 4: Simplify right side
    205,355.60x = 51,823,399,490.16
  5. Step 5: Solve for x
    x = 51,823,399,490.16/205,355.60
  6. Step 6: Final answer
    x = 252,359.32

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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.