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Finding the Fourth Proportional to 228,063, 342,150.56 and 78,305.48

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Solution

The fourth proportional to 228,063, 342,150.56 and 78,305.48 is: 117,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,063 : 342,150.56 = 78,305.48 : x
  2. Step 2: Convert to fraction form
    228,063/342,150.56 = 78,305.48/x
  3. Step 3: Cross multiply
    228,063x = 342,150.56 × 78,305.48
  4. Step 4: Simplify right side
    228,063x = 26,792,263,833.07
  5. Step 5: Solve for x
    x = 26,792,263,833.07/228,063
  6. Step 6: Final answer
    x = 117,477.47

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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.