Home / 449,599.20-674,731.47-212,942.46

Finding the Fourth Proportional to 449,599.20, 674,731.47 and 212,942.46

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Solution

The fourth proportional to 449,599.20, 674,731.47 and 212,942.46 is: 319,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,599.20 : 674,731.47 = 212,942.46 : x
  2. Step 2: Convert to fraction form
    449,599.20/674,731.47 = 212,942.46/x
  3. Step 3: Cross multiply
    449,599.20x = 674,731.47 × 212,942.46
  4. Step 4: Simplify right side
    449,599.20x = 143,678,979,061.22
  5. Step 5: Solve for x
    x = 143,678,979,061.22/449,599.20
  6. Step 6: Final answer
    x = 319,571.25

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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.