Home / 268,129.47-370,021.70-147,273.56

Finding the Fourth Proportional to 268,129.47, 370,021.70 and 147,273.56

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Solution

The fourth proportional to 268,129.47, 370,021.70 and 147,273.56 is: 203,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,129.47 : 370,021.70 = 147,273.56 : x
  2. Step 2: Convert to fraction form
    268,129.47/370,021.70 = 147,273.56/x
  3. Step 3: Cross multiply
    268,129.47x = 370,021.70 × 147,273.56
  4. Step 4: Simplify right side
    268,129.47x = 54,494,412,941.91
  5. Step 5: Solve for x
    x = 54,494,412,941.91/268,129.47
  6. Step 6: Final answer
    x = 203,239.17

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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.