Home / 238,701.35-329,400.31-131,271.05

Finding the Fourth Proportional to 238,701.35, 329,400.31 and 131,271.05

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Solution

The fourth proportional to 238,701.35, 329,400.31 and 131,271.05 is: 181,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,701.35 : 329,400.31 = 131,271.05 : x
  2. Step 2: Convert to fraction form
    238,701.35/329,400.31 = 131,271.05/x
  3. Step 3: Cross multiply
    238,701.35x = 329,400.31 × 131,271.05
  4. Step 4: Simplify right side
    238,701.35x = 43,240,724,564.03
  5. Step 5: Solve for x
    x = 43,240,724,564.03/238,701.35
  6. Step 6: Final answer
    x = 181,149.90

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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.