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Finding the Fourth Proportional to 365,483.60, 504,233.52 and 220,321.47

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Solution

The fourth proportional to 365,483.60, 504,233.52 and 220,321.47 is: 303,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,483.60 : 504,233.52 = 220,321.47 : x
  2. Step 2: Convert to fraction form
    365,483.60/504,233.52 = 220,321.47/x
  3. Step 3: Cross multiply
    365,483.60x = 504,233.52 × 220,321.47
  4. Step 4: Simplify right side
    365,483.60x = 111,093,471,414.35
  5. Step 5: Solve for x
    x = 111,093,471,414.35/365,483.60
  6. Step 6: Final answer
    x = 303,962.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.