Home / 270,016.20-405,024.30-210,529.80

Finding the Fourth Proportional to 270,016.20, 405,024.30 and 210,529.80

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Solution

The fourth proportional to 270,016.20, 405,024.30 and 210,529.80 is: 315,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,016.20 : 405,024.30 = 210,529.80 : x
  2. Step 2: Convert to fraction form
    270,016.20/405,024.30 = 210,529.80/x
  3. Step 3: Cross multiply
    270,016.20x = 405,024.30 × 210,529.80
  4. Step 4: Simplify right side
    270,016.20x = 85,269,684,874.14
  5. Step 5: Solve for x
    x = 85,269,684,874.14/270,016.20
  6. Step 6: Final answer
    x = 315,794.70

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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.