Home / 449,579.36-674,701.65-212,922.47

Finding the Fourth Proportional to 449,579.36, 674,701.65 and 212,922.47

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Solution

The fourth proportional to 449,579.36, 674,701.65 and 212,922.47 is: 319,541.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,579.36 : 674,701.65 = 212,922.47 : x
  2. Step 2: Convert to fraction form
    449,579.36/674,701.65 = 212,922.47/x
  3. Step 3: Cross multiply
    449,579.36x = 674,701.65 × 212,922.47
  4. Step 4: Simplify right side
    449,579.36x = 143,659,143,517.83
  5. Step 5: Solve for x
    x = 143,659,143,517.83/449,579.36
  6. Step 6: Final answer
    x = 319,541.23

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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.