Home / 399,274.24-550,991.19-227,188.45

Finding the Fourth Proportional to 399,274.24, 550,991.19 and 227,188.45

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Solution

The fourth proportional to 399,274.24, 550,991.19 and 227,188.45 is: 313,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,274.24 : 550,991.19 = 227,188.45 : x
  2. Step 2: Convert to fraction form
    399,274.24/550,991.19 = 227,188.45/x
  3. Step 3: Cross multiply
    399,274.24x = 550,991.19 × 227,188.45
  4. Step 4: Simplify right side
    399,274.24x = 125,178,834,419.76
  5. Step 5: Solve for x
    x = 125,178,834,419.76/399,274.24
  6. Step 6: Final answer
    x = 313,515.93

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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.