Home / 489,164.20-733,746.30-209,228.20

Finding the Fourth Proportional to 489,164.20, 733,746.30 and 209,228.20

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Solution

The fourth proportional to 489,164.20, 733,746.30 and 209,228.20 is: 313,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,164.20 : 733,746.30 = 209,228.20 : x
  2. Step 2: Convert to fraction form
    489,164.20/733,746.30 = 209,228.20/x
  3. Step 3: Cross multiply
    489,164.20x = 733,746.30 × 209,228.20
  4. Step 4: Simplify right side
    489,164.20x = 153,520,417,605.66
  5. Step 5: Solve for x
    x = 153,520,417,605.66/489,164.20
  6. Step 6: Final answer
    x = 313,842.30

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Similar ratio
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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.