Home / 253,975.89-380,629.56-141,708.96

Finding the Fourth Proportional to 253,975.89, 380,629.56 and 141,708.96

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Solution

The fourth proportional to 253,975.89, 380,629.56 and 141,708.96 is: 212,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,975.89 : 380,629.56 = 141,708.96 : x
  2. Step 2: Convert to fraction form
    253,975.89/380,629.56 = 141,708.96/x
  3. Step 3: Cross multiply
    253,975.89x = 380,629.56 × 141,708.96
  4. Step 4: Simplify right side
    253,975.89x = 53,938,619,092.86
  5. Step 5: Solve for x
    x = 53,938,619,092.86/253,975.89
  6. Step 6: Final answer
    x = 212,376.93

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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.