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Finding the Fourth Proportional to 247,018.80, 340,886.16 and 133,841.54

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Solution

The fourth proportional to 247,018.80, 340,886.16 and 133,841.54 is: 184,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,018.80 : 340,886.16 = 133,841.54 : x
  2. Step 2: Convert to fraction form
    247,018.80/340,886.16 = 133,841.54/x
  3. Step 3: Cross multiply
    247,018.80x = 340,886.16 × 133,841.54
  4. Step 4: Simplify right side
    247,018.80x = 45,624,728,619.09
  5. Step 5: Solve for x
    x = 45,624,728,619.09/247,018.80
  6. Step 6: Final answer
    x = 184,701.44

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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.