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Finding the Fourth Proportional to 361,995.60, 542,993.40 and 306,008.40

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Solution

The fourth proportional to 361,995.60, 542,993.40 and 306,008.40 is: 459,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,995.60 : 542,993.40 = 306,008.40 : x
  2. Step 2: Convert to fraction form
    361,995.60/542,993.40 = 306,008.40/x
  3. Step 3: Cross multiply
    361,995.60x = 542,993.40 × 306,008.40
  4. Step 4: Simplify right side
    361,995.60x = 166,160,541,544.56
  5. Step 5: Solve for x
    x = 166,160,541,544.56/361,995.60
  6. Step 6: Final answer
    x = 459,012.60

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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.