Home / 850,299.83-1,275,523.19-219,208.31

Finding the Fourth Proportional to 850,299.83, 1,275,523.19 and 219,208.31

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Solution

The fourth proportional to 850,299.83, 1,275,523.19 and 219,208.31 is: 328,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,299.83 : 1,275,523.19 = 219,208.31 : x
  2. Step 2: Convert to fraction form
    850,299.83/1,275,523.19 = 219,208.31/x
  3. Step 3: Cross multiply
    850,299.83x = 1,275,523.19 × 219,208.31
  4. Step 4: Simplify right side
    850,299.83x = 279,605,281,749.67
  5. Step 5: Solve for x
    x = 279,605,281,749.67/850,299.83
  6. Step 6: Final answer
    x = 328,831.40

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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.