Home / 850,299.58-1,275,522.81-219,208.06

Finding the Fourth Proportional to 850,299.58, 1,275,522.81 and 219,208.06

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Solution

The fourth proportional to 850,299.58, 1,275,522.81 and 219,208.06 is: 328,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,299.58 : 1,275,522.81 = 219,208.06 : x
  2. Step 2: Convert to fraction form
    850,299.58/1,275,522.81 = 219,208.06/x
  3. Step 3: Cross multiply
    850,299.58x = 1,275,522.81 × 219,208.06
  4. Step 4: Simplify right side
    850,299.58x = 279,604,880,665.85
  5. Step 5: Solve for x
    x = 279,604,880,665.85/850,299.58
  6. Step 6: Final answer
    x = 328,831.02

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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.