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Finding the Fourth Proportional to 360,485.81, 540,759.39 and 94,245.90

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Solution

The fourth proportional to 360,485.81, 540,759.39 and 94,245.90 is: 141,376.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,485.81 : 540,759.39 = 94,245.90 : x
  2. Step 2: Convert to fraction form
    360,485.81/540,759.39 = 94,245.90/x
  3. Step 3: Cross multiply
    360,485.81x = 540,759.39 × 94,245.90
  4. Step 4: Simplify right side
    360,485.81x = 50,964,353,542.86
  5. Step 5: Solve for x
    x = 50,964,353,542.86/360,485.81
  6. Step 6: Final answer
    x = 141,376.87

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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.