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Finding the Fourth Proportional to 331,059.60, 496,589.40 and 310,323.60

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Solution

The fourth proportional to 331,059.60, 496,589.40 and 310,323.60 is: 465,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,059.60 : 496,589.40 = 310,323.60 : x
  2. Step 2: Convert to fraction form
    331,059.60/496,589.40 = 310,323.60/x
  3. Step 3: Cross multiply
    331,059.60x = 496,589.40 × 310,323.60
  4. Step 4: Simplify right side
    331,059.60x = 154,103,410,329.84
  5. Step 5: Solve for x
    x = 154,103,410,329.84/331,059.60
  6. Step 6: Final answer
    x = 465,485.40

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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.