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Finding the Fourth Proportional to 247,988, 342,222.62 and 134,809.94

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Solution

The fourth proportional to 247,988, 342,222.62 and 134,809.94 is: 186,037.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,988 : 342,222.62 = 134,809.94 : x
  2. Step 2: Convert to fraction form
    247,988/342,222.62 = 134,809.94/x
  3. Step 3: Cross multiply
    247,988x = 342,222.62 × 134,809.94
  4. Step 4: Simplify right side
    247,988x = 46,135,010,868.84
  5. Step 5: Solve for x
    x = 46,135,010,868.84/247,988
  6. Step 6: Final answer
    x = 186,037.27

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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.