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Finding the Fourth Proportional to 303,130.20, 454,695.30 and 249,986.10

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Solution

The fourth proportional to 303,130.20, 454,695.30 and 249,986.10 is: 374,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,130.20 : 454,695.30 = 249,986.10 : x
  2. Step 2: Convert to fraction form
    303,130.20/454,695.30 = 249,986.10/x
  3. Step 3: Cross multiply
    303,130.20x = 454,695.30 × 249,986.10
  4. Step 4: Simplify right side
    303,130.20x = 113,667,504,735.33
  5. Step 5: Solve for x
    x = 113,667,504,735.33/303,130.20
  6. Step 6: Final answer
    x = 374,979.15

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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.