Home / 489,196.20-733,794.30-209,260.20

Finding the Fourth Proportional to 489,196.20, 733,794.30 and 209,260.20

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Solution

The fourth proportional to 489,196.20, 733,794.30 and 209,260.20 is: 313,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,196.20 : 733,794.30 = 209,260.20 : x
  2. Step 2: Convert to fraction form
    489,196.20/733,794.30 = 209,260.20/x
  3. Step 3: Cross multiply
    489,196.20x = 733,794.30 × 209,260.20
  4. Step 4: Simplify right side
    489,196.20x = 153,553,941,976.86
  5. Step 5: Solve for x
    x = 153,553,941,976.86/489,196.20
  6. Step 6: Final answer
    x = 313,890.30

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Similar ratio
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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.