Home / 272,721.47-409,252.57-104,256.05

Finding the Fourth Proportional to 272,721.47, 409,252.57 and 104,256.05

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Solution

The fourth proportional to 272,721.47, 409,252.57 and 104,256.05 is: 156,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,721.47 : 409,252.57 = 104,256.05 : x
  2. Step 2: Convert to fraction form
    272,721.47/409,252.57 = 104,256.05/x
  3. Step 3: Cross multiply
    272,721.47x = 409,252.57 × 104,256.05
  4. Step 4: Simplify right side
    272,721.47x = 42,667,054,093.65
  5. Step 5: Solve for x
    x = 42,667,054,093.65/272,721.47
  6. Step 6: Final answer
    x = 156,449.20

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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.