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Finding the Fourth Proportional to 247,864.33, 342,054.93 and 134,687.08

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Solution

The fourth proportional to 247,864.33, 342,054.93 and 134,687.08 is: 185,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,864.33 : 342,054.93 = 134,687.08 : x
  2. Step 2: Convert to fraction form
    247,864.33/342,054.93 = 134,687.08/x
  3. Step 3: Cross multiply
    247,864.33x = 342,054.93 × 134,687.08
  4. Step 4: Simplify right side
    247,864.33x = 46,070,379,721.30
  5. Step 5: Solve for x
    x = 46,070,379,721.30/247,864.33
  6. Step 6: Final answer
    x = 185,869.34

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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.