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Finding the Fourth Proportional to 148,410.63, 222,652.53 and 43,230.51

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Solution

The fourth proportional to 148,410.63, 222,652.53 and 43,230.51 is: 64,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,410.63 : 222,652.53 = 43,230.51 : x
  2. Step 2: Convert to fraction form
    148,410.63/222,652.53 = 43,230.51/x
  3. Step 3: Cross multiply
    148,410.63x = 222,652.53 × 43,230.51
  4. Step 4: Simplify right side
    148,410.63x = 9,625,382,424.69
  5. Step 5: Solve for x
    x = 9,625,382,424.69/148,410.63
  6. Step 6: Final answer
    x = 64,856.42

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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.