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Finding the Fourth Proportional to 303,091.80, 454,637.70 and 247,104.60

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Solution

The fourth proportional to 303,091.80, 454,637.70 and 247,104.60 is: 370,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,091.80 : 454,637.70 = 247,104.60 : x
  2. Step 2: Convert to fraction form
    303,091.80/454,637.70 = 247,104.60/x
  3. Step 3: Cross multiply
    303,091.80x = 454,637.70 × 247,104.60
  4. Step 4: Simplify right side
    303,091.80x = 112,343,067,003.42
  5. Step 5: Solve for x
    x = 112,343,067,003.42/303,091.80
  6. Step 6: Final answer
    x = 370,656.90

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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.