Home / 370,922.36-555,518.30-270,834.30

Finding the Fourth Proportional to 370,922.36, 555,518.30 and 270,834.30

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Solution

The fourth proportional to 370,922.36, 555,518.30 and 270,834.30 is: 405,619.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,922.36 : 555,518.30 = 270,834.30 : x
  2. Step 2: Convert to fraction form
    370,922.36/555,518.30 = 270,834.30/x
  3. Step 3: Cross multiply
    370,922.36x = 555,518.30 × 270,834.30
  4. Step 4: Simplify right side
    370,922.36x = 150,453,410,086.96
  5. Step 5: Solve for x
    x = 150,453,410,086.96/370,922.36
  6. Step 6: Final answer
    x = 405,619.69

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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.