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Finding the Fourth Proportional to 265,408.83, 366,507.61 and 168,644.56

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Solution

The fourth proportional to 265,408.83, 366,507.61 and 168,644.56 is: 232,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,408.83 : 366,507.61 = 168,644.56 : x
  2. Step 2: Convert to fraction form
    265,408.83/366,507.61 = 168,644.56/x
  3. Step 3: Cross multiply
    265,408.83x = 366,507.61 × 168,644.56
  4. Step 4: Simplify right side
    265,408.83x = 61,809,514,625.10
  5. Step 5: Solve for x
    x = 61,809,514,625.10/265,408.83
  6. Step 6: Final answer
    x = 232,884.17

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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.