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Finding the Fourth Proportional to 238,754.51, 329,486.48 and 131,329.98

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Solution

The fourth proportional to 238,754.51, 329,486.48 and 131,329.98 is: 181,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,754.51 : 329,486.48 = 131,329.98 : x
  2. Step 2: Convert to fraction form
    238,754.51/329,486.48 = 131,329.98/x
  3. Step 3: Cross multiply
    238,754.51x = 329,486.48 × 131,329.98
  4. Step 4: Simplify right side
    238,754.51x = 43,271,452,172.02
  5. Step 5: Solve for x
    x = 43,271,452,172.02/238,754.51
  6. Step 6: Final answer
    x = 181,238.26

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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.