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Finding the Fourth Proportional to 340,898.20, 511,347.30 and 246,419.80

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Solution

The fourth proportional to 340,898.20, 511,347.30 and 246,419.80 is: 369,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,898.20 : 511,347.30 = 246,419.80 : x
  2. Step 2: Convert to fraction form
    340,898.20/511,347.30 = 246,419.80/x
  3. Step 3: Cross multiply
    340,898.20x = 511,347.30 × 246,419.80
  4. Step 4: Simplify right side
    340,898.20x = 126,006,099,396.54
  5. Step 5: Solve for x
    x = 126,006,099,396.54/340,898.20
  6. Step 6: Final answer
    x = 369,629.70

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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.