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Finding the Fourth Proportional to 234,892.51, 352,275.75 and 66,373.22

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Solution

The fourth proportional to 234,892.51, 352,275.75 and 66,373.22 is: 99,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,892.51 : 352,275.75 = 66,373.22 : x
  2. Step 2: Convert to fraction form
    234,892.51/352,275.75 = 66,373.22/x
  3. Step 3: Cross multiply
    234,892.51x = 352,275.75 × 66,373.22
  4. Step 4: Simplify right side
    234,892.51x = 23,381,676,736.10
  5. Step 5: Solve for x
    x = 23,381,676,736.10/234,892.51
  6. Step 6: Final answer
    x = 99,542.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.