Home / 350,919.12-484,272.20-189,777.30

Finding the Fourth Proportional to 350,919.12, 484,272.20 and 189,777.30

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Solution

The fourth proportional to 350,919.12, 484,272.20 and 189,777.30 is: 261,894.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,919.12 : 484,272.20 = 189,777.30 : x
  2. Step 2: Convert to fraction form
    350,919.12/484,272.20 = 189,777.30/x
  3. Step 3: Cross multiply
    350,919.12x = 484,272.20 × 189,777.30
  4. Step 4: Simplify right side
    350,919.12x = 91,903,870,581.06
  5. Step 5: Solve for x
    x = 91,903,870,581.06/350,919.12
  6. Step 6: Final answer
    x = 261,894.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.