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Finding the Fourth Proportional to 223,112.78, 334,802.14 and 80,969.16

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Solution

The fourth proportional to 223,112.78, 334,802.14 and 80,969.16 is: 121,502.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,112.78 : 334,802.14 = 80,969.16 : x
  2. Step 2: Convert to fraction form
    223,112.78/334,802.14 = 80,969.16/x
  3. Step 3: Cross multiply
    223,112.78x = 334,802.14 × 80,969.16
  4. Step 4: Simplify right side
    223,112.78x = 27,108,648,042.00
  5. Step 5: Solve for x
    x = 27,108,648,042.00/223,112.78
  6. Step 6: Final answer
    x = 121,502.00

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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.