Home / 489,741.66-734,336.82-169,743.60

Finding the Fourth Proportional to 489,741.66, 734,336.82 and 169,743.60

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Solution

The fourth proportional to 489,741.66, 734,336.82 and 169,743.60 is: 254,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,741.66 : 734,336.82 = 169,743.60 : x
  2. Step 2: Convert to fraction form
    489,741.66/734,336.82 = 169,743.60/x
  3. Step 3: Cross multiply
    489,741.66x = 734,336.82 × 169,743.60
  4. Step 4: Simplify right side
    489,741.66x = 124,648,975,439.35
  5. Step 5: Solve for x
    x = 124,648,975,439.35/489,741.66
  6. Step 6: Final answer
    x = 254,519.85

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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.