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Finding the Fourth Proportional to 489,197.40, 733,796.10 and 173,686.20

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Solution

The fourth proportional to 489,197.40, 733,796.10 and 173,686.20 is: 260,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,197.40 : 733,796.10 = 173,686.20 : x
  2. Step 2: Convert to fraction form
    489,197.40/733,796.10 = 173,686.20/x
  3. Step 3: Cross multiply
    489,197.40x = 733,796.10 × 173,686.20
  4. Step 4: Simplify right side
    489,197.40x = 127,450,256,183.82
  5. Step 5: Solve for x
    x = 127,450,256,183.82/489,197.40
  6. Step 6: Final answer
    x = 260,529.30

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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.