Home / 272,721.84-409,253.13-104,256.42

Finding the Fourth Proportional to 272,721.84, 409,253.13 and 104,256.42

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Solution

The fourth proportional to 272,721.84, 409,253.13 and 104,256.42 is: 156,449.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,721.84 : 409,253.13 = 104,256.42 : x
  2. Step 2: Convert to fraction form
    272,721.84/409,253.13 = 104,256.42/x
  3. Step 3: Cross multiply
    272,721.84x = 409,253.13 × 104,256.42
  4. Step 4: Simplify right side
    272,721.84x = 42,667,266,207.59
  5. Step 5: Solve for x
    x = 42,667,266,207.59/272,721.84
  6. Step 6: Final answer
    x = 156,449.76

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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.