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Finding the Fourth Proportional to 387,767.33, 535,118.92 and 226,757.66

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Solution

The fourth proportional to 387,767.33, 535,118.92 and 226,757.66 is: 312,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,767.33 : 535,118.92 = 226,757.66 : x
  2. Step 2: Convert to fraction form
    387,767.33/535,118.92 = 226,757.66/x
  3. Step 3: Cross multiply
    387,767.33x = 535,118.92 × 226,757.66
  4. Step 4: Simplify right side
    387,767.33x = 121,342,311,445.33
  5. Step 5: Solve for x
    x = 121,342,311,445.33/387,767.33
  6. Step 6: Final answer
    x = 312,925.57

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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.