Home / 238,810.26-329,555.70-131,380.50

Finding the Fourth Proportional to 238,810.26, 329,555.70 and 131,380.50

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Solution

The fourth proportional to 238,810.26, 329,555.70 and 131,380.50 is: 181,303.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,810.26 : 329,555.70 = 131,380.50 : x
  2. Step 2: Convert to fraction form
    238,810.26/329,555.70 = 131,380.50/x
  3. Step 3: Cross multiply
    238,810.26x = 329,555.70 × 131,380.50
  4. Step 4: Simplify right side
    238,810.26x = 43,297,192,643.85
  5. Step 5: Solve for x
    x = 43,297,192,643.85/238,810.26
  6. Step 6: Final answer
    x = 181,303.74

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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.