Home / 449,146.50-619,822.71-247,942.50

Finding the Fourth Proportional to 449,146.50, 619,822.71 and 247,942.50

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Solution

The fourth proportional to 449,146.50, 619,822.71 and 247,942.50 is: 342,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,146.50 : 619,822.71 = 247,942.50 : x
  2. Step 2: Convert to fraction form
    449,146.50/619,822.71 = 247,942.50/x
  3. Step 3: Cross multiply
    449,146.50x = 619,822.71 × 247,942.50
  4. Step 4: Simplify right side
    449,146.50x = 153,680,392,274.18
  5. Step 5: Solve for x
    x = 153,680,392,274.18/449,146.50
  6. Step 6: Final answer
    x = 342,160.95

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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.