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Finding the Fourth Proportional to 294,135.60, 405,916.20 and 166,816.56

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Solution

The fourth proportional to 294,135.60, 405,916.20 and 166,816.56 is: 230,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,135.60 : 405,916.20 = 166,816.56 : x
  2. Step 2: Convert to fraction form
    294,135.60/405,916.20 = 166,816.56/x
  3. Step 3: Cross multiply
    294,135.60x = 405,916.20 × 166,816.56
  4. Step 4: Simplify right side
    294,135.60x = 67,713,544,132.27
  5. Step 5: Solve for x
    x = 67,713,544,132.27/294,135.60
  6. Step 6: Final answer
    x = 230,212.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.