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Finding the Fourth Proportional to 238,889.94, 329,661.13 and 131,459.91

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Solution

The fourth proportional to 238,889.94, 329,661.13 and 131,459.91 is: 181,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,889.94 : 329,661.13 = 131,459.91 : x
  2. Step 2: Convert to fraction form
    238,889.94/329,661.13 = 131,459.91/x
  3. Step 3: Cross multiply
    238,889.94x = 329,661.13 × 131,459.91
  4. Step 4: Simplify right side
    238,889.94x = 43,337,222,480.30
  5. Step 5: Solve for x
    x = 43,337,222,480.30/238,889.94
  6. Step 6: Final answer
    x = 181,410.83

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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.