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Finding the Fourth Proportional to 497,274.24, 686,251.80 and 270,934.32

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Solution

The fourth proportional to 497,274.24, 686,251.80 and 270,934.32 is: 373,896.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,274.24 : 686,251.80 = 270,934.32 : x
  2. Step 2: Convert to fraction form
    497,274.24/686,251.80 = 270,934.32/x
  3. Step 3: Cross multiply
    497,274.24x = 686,251.80 × 270,934.32
  4. Step 4: Simplify right side
    497,274.24x = 185,929,164,781.78
  5. Step 5: Solve for x
    x = 185,929,164,781.78/497,274.24
  6. Step 6: Final answer
    x = 373,896.63

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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.