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Finding the Fourth Proportional to 511,508.49, 767,266.56 and 227,122.47

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Solution

The fourth proportional to 511,508.49, 767,266.56 and 227,122.47 is: 340,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,508.49 : 767,266.56 = 227,122.47 : x
  2. Step 2: Convert to fraction form
    511,508.49/767,266.56 = 227,122.47/x
  3. Step 3: Cross multiply
    511,508.49x = 767,266.56 × 227,122.47
  4. Step 4: Simplify right side
    511,508.49x = 174,263,476,255.60
  5. Step 5: Solve for x
    x = 174,263,476,255.60/511,508.49
  6. Step 6: Final answer
    x = 340,685.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.