Home / 236,901.07-355,299.28-68,384.78

Finding the Fourth Proportional to 236,901.07, 355,299.28 and 68,384.78

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Solution

The fourth proportional to 236,901.07, 355,299.28 and 68,384.78 is: 102,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,901.07 : 355,299.28 = 68,384.78 : x
  2. Step 2: Convert to fraction form
    236,901.07/355,299.28 = 68,384.78/x
  3. Step 3: Cross multiply
    236,901.07x = 355,299.28 × 68,384.78
  4. Step 4: Simplify right side
    236,901.07x = 24,297,060,978.54
  5. Step 5: Solve for x
    x = 24,297,060,978.54/236,901.07
  6. Step 6: Final answer
    x = 102,562.06

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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.