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Finding the Fourth Proportional to 340,701.30, 510,067.80 and 330,859.80

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Solution

The fourth proportional to 340,701.30, 510,067.80 and 330,859.80 is: 495,333.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,701.30 : 510,067.80 = 330,859.80 : x
  2. Step 2: Convert to fraction form
    340,701.30/510,067.80 = 330,859.80/x
  3. Step 3: Cross multiply
    340,701.30x = 510,067.80 × 330,859.80
  4. Step 4: Simplify right side
    340,701.30x = 168,760,930,294.44
  5. Step 5: Solve for x
    x = 168,760,930,294.44/340,701.30
  6. Step 6: Final answer
    x = 495,333.98

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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.