Home / 270,127.44-405,214.17-80,575.59

Finding the Fourth Proportional to 270,127.44, 405,214.17 and 80,575.59

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Solution

The fourth proportional to 270,127.44, 405,214.17 and 80,575.59 is: 120,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,127.44 : 405,214.17 = 80,575.59 : x
  2. Step 2: Convert to fraction form
    270,127.44/405,214.17 = 80,575.59/x
  3. Step 3: Cross multiply
    270,127.44x = 405,214.17 × 80,575.59
  4. Step 4: Simplify right side
    270,127.44x = 32,650,370,824.11
  5. Step 5: Solve for x
    x = 32,650,370,824.11/270,127.44
  6. Step 6: Final answer
    x = 120,870.25

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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.