Home / 268,129.70-370,022.03-147,273.81

Finding the Fourth Proportional to 268,129.70, 370,022.03 and 147,273.81

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Solution

The fourth proportional to 268,129.70, 370,022.03 and 147,273.81 is: 203,239.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,129.70 : 370,022.03 = 147,273.81 : x
  2. Step 2: Convert to fraction form
    268,129.70/370,022.03 = 147,273.81/x
  3. Step 3: Cross multiply
    268,129.70x = 370,022.03 × 147,273.81
  4. Step 4: Simplify right side
    268,129.70x = 54,494,553,405.67
  5. Step 5: Solve for x
    x = 54,494,553,405.67/268,129.70
  6. Step 6: Final answer
    x = 203,239.53

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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.