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Finding the Fourth Proportional to 332,057.56, 497,790.48 and 121,646.28

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Solution

The fourth proportional to 332,057.56, 497,790.48 and 121,646.28 is: 182,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,057.56 : 497,790.48 = 121,646.28 : x
  2. Step 2: Convert to fraction form
    332,057.56/497,790.48 = 121,646.28/x
  3. Step 3: Cross multiply
    332,057.56x = 497,790.48 × 121,646.28
  4. Step 4: Simplify right side
    332,057.56x = 60,554,360,111.41
  5. Step 5: Solve for x
    x = 60,554,360,111.41/332,057.56
  6. Step 6: Final answer
    x = 182,361.03

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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.