Home / 490,268.20-735,314.76-130,441.12

Finding the Fourth Proportional to 490,268.20, 735,314.76 and 130,441.12

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Solution

The fourth proportional to 490,268.20, 735,314.76 and 130,441.12 is: 195,638.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,268.20 : 735,314.76 = 130,441.12 : x
  2. Step 2: Convert to fraction form
    490,268.20/735,314.76 = 130,441.12/x
  3. Step 3: Cross multiply
    490,268.20x = 735,314.76 × 130,441.12
  4. Step 4: Simplify right side
    490,268.20x = 95,915,280,846.93
  5. Step 5: Solve for x
    x = 95,915,280,846.93/490,268.20
  6. Step 6: Final answer
    x = 195,638.39

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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.