Home / 321,643.17-443,577.02-200,795.58

Finding the Fourth Proportional to 321,643.17, 443,577.02 and 200,795.58

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Solution

The fourth proportional to 321,643.17, 443,577.02 and 200,795.58 is: 276,916.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,643.17 : 443,577.02 = 200,795.58 : x
  2. Step 2: Convert to fraction form
    321,643.17/443,577.02 = 200,795.58/x
  3. Step 3: Cross multiply
    321,643.17x = 443,577.02 × 200,795.58
  4. Step 4: Simplify right side
    321,643.17x = 89,068,304,001.59
  5. Step 5: Solve for x
    x = 89,068,304,001.59/321,643.17
  6. Step 6: Final answer
    x = 276,916.51

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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.