Home / 268,236.50-370,173.03-147,385.61

Finding the Fourth Proportional to 268,236.50, 370,173.03 and 147,385.61

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Solution

The fourth proportional to 268,236.50, 370,173.03 and 147,385.61 is: 203,395.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,236.50 : 370,173.03 = 147,385.61 : x
  2. Step 2: Convert to fraction form
    268,236.50/370,173.03 = 147,385.61/x
  3. Step 3: Cross multiply
    268,236.50x = 370,173.03 × 147,385.61
  4. Step 4: Simplify right side
    268,236.50x = 54,558,177,832.10
  5. Step 5: Solve for x
    x = 54,558,177,832.10/268,236.50
  6. Step 6: Final answer
    x = 203,395.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.