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Finding the Fourth Proportional to 265,991.49, 367,068.11 and 170,498.12

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Solution

The fourth proportional to 265,991.49, 367,068.11 and 170,498.12 is: 235,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,991.49 : 367,068.11 = 170,498.12 : x
  2. Step 2: Convert to fraction form
    265,991.49/367,068.11 = 170,498.12/x
  3. Step 3: Cross multiply
    265,991.49x = 367,068.11 × 170,498.12
  4. Step 4: Simplify right side
    265,991.49x = 62,584,419,979.12
  5. Step 5: Solve for x
    x = 62,584,419,979.12/265,991.49
  6. Step 6: Final answer
    x = 235,287.30

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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.