Home / 238,814.81-329,563.95-131,384.59

Finding the Fourth Proportional to 238,814.81, 329,563.95 and 131,384.59

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Solution

The fourth proportional to 238,814.81, 329,563.95 and 131,384.59 is: 181,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,814.81 : 329,563.95 = 131,384.59 : x
  2. Step 2: Convert to fraction form
    238,814.81/329,563.95 = 131,384.59/x
  3. Step 3: Cross multiply
    238,814.81x = 329,563.95 × 131,384.59
  4. Step 4: Simplify right side
    238,814.81x = 43,299,623,625.62
  5. Step 5: Solve for x
    x = 43,299,623,625.62/238,814.81
  6. Step 6: Final answer
    x = 181,310.46

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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.