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Finding the Fourth Proportional to 219,866, 303,380.52 and 124,342.16

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Solution

The fourth proportional to 219,866, 303,380.52 and 124,342.16 is: 171,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,866 : 303,380.52 = 124,342.16 : x
  2. Step 2: Convert to fraction form
    219,866/303,380.52 = 124,342.16/x
  3. Step 3: Cross multiply
    219,866x = 303,380.52 × 124,342.16
  4. Step 4: Simplify right side
    219,866x = 37,722,989,158.72
  5. Step 5: Solve for x
    x = 37,722,989,158.72/219,866
  6. Step 6: Final answer
    x = 171,572.64

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Why These Related Problems?

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