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Finding the Fourth Proportional to 246,565.72, 340,260.42 and 133,388.44

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Solution

The fourth proportional to 246,565.72, 340,260.42 and 133,388.44 is: 184,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,565.72 : 340,260.42 = 133,388.44 : x
  2. Step 2: Convert to fraction form
    246,565.72/340,260.42 = 133,388.44/x
  3. Step 3: Cross multiply
    246,565.72x = 340,260.42 × 133,388.44
  4. Step 4: Simplify right side
    246,565.72x = 45,386,806,617.54
  5. Step 5: Solve for x
    x = 45,386,806,617.54/246,565.72
  6. Step 6: Final answer
    x = 184,075.90

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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.