Home / 252,279.84-378,395.19-102,529.11

Finding the Fourth Proportional to 252,279.84, 378,395.19 and 102,529.11

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Solution

The fourth proportional to 252,279.84, 378,395.19 and 102,529.11 is: 153,783.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,279.84 : 378,395.19 = 102,529.11 : x
  2. Step 2: Convert to fraction form
    252,279.84/378,395.19 = 102,529.11/x
  3. Step 3: Cross multiply
    252,279.84x = 378,395.19 × 102,529.11
  4. Step 4: Simplify right side
    252,279.84x = 38,796,522,058.98
  5. Step 5: Solve for x
    x = 38,796,522,058.98/252,279.84
  6. Step 6: Final answer
    x = 153,783.68

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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.