Home / 311,592.28-467,803.54-210,729.18

Finding the Fourth Proportional to 311,592.28, 467,803.54 and 210,729.18

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Solution

The fourth proportional to 311,592.28, 467,803.54 and 210,729.18 is: 316,374.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,592.28 : 467,803.54 = 210,729.18 : x
  2. Step 2: Convert to fraction form
    311,592.28/467,803.54 = 210,729.18/x
  3. Step 3: Cross multiply
    311,592.28x = 467,803.54 × 210,729.18
  4. Step 4: Simplify right side
    311,592.28x = 98,579,856,385.30
  5. Step 5: Solve for x
    x = 98,579,856,385.30/311,592.28
  6. Step 6: Final answer
    x = 316,374.51

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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.