Home / 270,034.10-405,002.55-170,015.30

Finding the Fourth Proportional to 270,034.10, 405,002.55 and 170,015.30

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Solution

The fourth proportional to 270,034.10, 405,002.55 and 170,015.30 is: 254,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,034.10 : 405,002.55 = 170,015.30 : x
  2. Step 2: Convert to fraction form
    270,034.10/405,002.55 = 170,015.30/x
  3. Step 3: Cross multiply
    270,034.10x = 405,002.55 × 170,015.30
  4. Step 4: Simplify right side
    270,034.10x = 68,856,630,039.02
  5. Step 5: Solve for x
    x = 68,856,630,039.02/270,034.10
  6. Step 6: Final answer
    x = 254,992.35

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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.