Home / 396,128.12-594,569.46-245,913.80

Finding the Fourth Proportional to 396,128.12, 594,569.46 and 245,913.80

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Solution

The fourth proportional to 396,128.12, 594,569.46 and 245,913.80 is: 369,104.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,128.12 : 594,569.46 = 245,913.80 : x
  2. Step 2: Convert to fraction form
    396,128.12/594,569.46 = 245,913.80/x
  3. Step 3: Cross multiply
    396,128.12x = 594,569.46 × 245,913.80
  4. Step 4: Simplify right side
    396,128.12x = 146,212,835,272.55
  5. Step 5: Solve for x
    x = 146,212,835,272.55/396,128.12
  6. Step 6: Final answer
    x = 369,104.91

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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.