Home / 490,271.20-735,449.19-135,285.24

Finding the Fourth Proportional to 490,271.20, 735,449.19 and 135,285.24

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Solution

The fourth proportional to 490,271.20, 735,449.19 and 135,285.24 is: 202,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,271.20 : 735,449.19 = 135,285.24 : x
  2. Step 2: Convert to fraction form
    490,271.20/735,449.19 = 135,285.24/x
  3. Step 3: Cross multiply
    490,271.20x = 735,449.19 × 135,285.24
  4. Step 4: Simplify right side
    490,271.20x = 99,495,416,499.71
  5. Step 5: Solve for x
    x = 99,495,416,499.71/490,271.20
  6. Step 6: Final answer
    x = 202,939.55

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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.