Home / 279,904.55-419,954.03-122,246.15

Finding the Fourth Proportional to 279,904.55, 419,954.03 and 122,246.15

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Solution

The fourth proportional to 279,904.55, 419,954.03 and 122,246.15 is: 183,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,904.55 : 419,954.03 = 122,246.15 : x
  2. Step 2: Convert to fraction form
    279,904.55/419,954.03 = 122,246.15/x
  3. Step 3: Cross multiply
    279,904.55x = 419,954.03 × 122,246.15
  4. Step 4: Simplify right side
    279,904.55x = 51,337,762,733.25
  5. Step 5: Solve for x
    x = 51,337,762,733.25/279,904.55
  6. Step 6: Final answer
    x = 183,411.68

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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.