Home / 272,721.34-409,252.38-104,255.92

Finding the Fourth Proportional to 272,721.34, 409,252.38 and 104,255.92

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Solution

The fourth proportional to 272,721.34, 409,252.38 and 104,255.92 is: 156,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,721.34 : 409,252.38 = 104,255.92 : x
  2. Step 2: Convert to fraction form
    272,721.34/409,252.38 = 104,255.92/x
  3. Step 3: Cross multiply
    272,721.34x = 409,252.38 × 104,255.92
  4. Step 4: Simplify right side
    272,721.34x = 42,666,983,389.09
  5. Step 5: Solve for x
    x = 42,666,983,389.09/272,721.34
  6. Step 6: Final answer
    x = 156,449.01

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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.