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Finding the Fourth Proportional to 502,505.50, 693,460.26 and 273,064.60

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Solution

The fourth proportional to 502,505.50, 693,460.26 and 273,064.60 is: 376,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,505.50 : 693,460.26 = 273,064.60 : x
  2. Step 2: Convert to fraction form
    502,505.50/693,460.26 = 273,064.60/x
  3. Step 3: Cross multiply
    502,505.50x = 693,460.26 × 273,064.60
  4. Step 4: Simplify right side
    502,505.50x = 189,359,448,512.80
  5. Step 5: Solve for x
    x = 189,359,448,512.80/502,505.50
  6. Step 6: Final answer
    x = 376,830.60

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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.