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Finding the Fourth Proportional to 246,881.86, 340,696.65 and 133,705.06

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Solution

The fourth proportional to 246,881.86, 340,696.65 and 133,705.06 is: 184,512.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,881.86 : 340,696.65 = 133,705.06 : x
  2. Step 2: Convert to fraction form
    246,881.86/340,696.65 = 133,705.06/x
  3. Step 3: Cross multiply
    246,881.86x = 340,696.65 × 133,705.06
  4. Step 4: Simplify right side
    246,881.86x = 45,552,866,030.05
  5. Step 5: Solve for x
    x = 45,552,866,030.05/246,881.86
  6. Step 6: Final answer
    x = 184,512.81

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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.