Home / 270,180.20-405,270.62-70,500.44

Finding the Fourth Proportional to 270,180.20, 405,270.62 and 70,500.44

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Solution

The fourth proportional to 270,180.20, 405,270.62 and 70,500.44 is: 105,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,180.20 : 405,270.62 = 70,500.44 : x
  2. Step 2: Convert to fraction form
    270,180.20/405,270.62 = 70,500.44/x
  3. Step 3: Cross multiply
    270,180.20x = 405,270.62 × 70,500.44
  4. Step 4: Simplify right side
    270,180.20x = 28,571,757,029.07
  5. Step 5: Solve for x
    x = 28,571,757,029.07/270,180.20
  6. Step 6: Final answer
    x = 105,750.74

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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.