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Finding the Fourth Proportional to 303,837.04, 419,259 and 182,976.40

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Solution

The fourth proportional to 303,837.04, 419,259 and 182,976.40 is: 252,485.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,837.04 : 419,259 = 182,976.40 : x
  2. Step 2: Convert to fraction form
    303,837.04/419,259 = 182,976.40/x
  3. Step 3: Cross multiply
    303,837.04x = 419,259 × 182,976.40
  4. Step 4: Simplify right side
    303,837.04x = 76,714,502,487.60
  5. Step 5: Solve for x
    x = 76,714,502,487.60/303,837.04
  6. Step 6: Final answer
    x = 252,485.68

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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.