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Finding the Fourth Proportional to 246,507.61, 340,179.82 and 133,330.09

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Solution

The fourth proportional to 246,507.61, 340,179.82 and 133,330.09 is: 183,995.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,507.61 : 340,179.82 = 133,330.09 : x
  2. Step 2: Convert to fraction form
    246,507.61/340,179.82 = 133,330.09/x
  3. Step 3: Cross multiply
    246,507.61x = 340,179.82 × 133,330.09
  4. Step 4: Simplify right side
    246,507.61x = 45,356,206,016.78
  5. Step 5: Solve for x
    x = 45,356,206,016.78/246,507.61
  6. Step 6: Final answer
    x = 183,995.16

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1.5x scale

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.