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Finding the Fourth Proportional to 238,693.69, 329,384.91 and 131,260.96

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Solution

The fourth proportional to 238,693.69, 329,384.91 and 131,260.96 is: 181,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,693.69 : 329,384.91 = 131,260.96 : x
  2. Step 2: Convert to fraction form
    238,693.69/329,384.91 = 131,260.96/x
  3. Step 3: Cross multiply
    238,693.69x = 329,384.91 × 131,260.96
  4. Step 4: Simplify right side
    238,693.69x = 43,235,379,496.11
  5. Step 5: Solve for x
    x = 43,235,379,496.11/238,693.69
  6. Step 6: Final answer
    x = 181,133.32

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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.