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Finding the Fourth Proportional to 238,732.79, 329,448.35 and 131,300.51

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Solution

The fourth proportional to 238,732.79, 329,448.35 and 131,300.51 is: 181,193.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,732.79 : 329,448.35 = 131,300.51 : x
  2. Step 2: Convert to fraction form
    238,732.79/329,448.35 = 131,300.51/x
  3. Step 3: Cross multiply
    238,732.79x = 329,448.35 × 131,300.51
  4. Step 4: Simplify right side
    238,732.79x = 43,256,735,054.67
  5. Step 5: Solve for x
    x = 43,256,735,054.67/238,732.79
  6. Step 6: Final answer
    x = 181,193.11

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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.