Home / 282,326.26-389,610.89-155,010.02

Finding the Fourth Proportional to 282,326.26, 389,610.89 and 155,010.02

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Solution

The fourth proportional to 282,326.26, 389,610.89 and 155,010.02 is: 213,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,326.26 : 389,610.89 = 155,010.02 : x
  2. Step 2: Convert to fraction form
    282,326.26/389,610.89 = 155,010.02/x
  3. Step 3: Cross multiply
    282,326.26x = 389,610.89 × 155,010.02
  4. Step 4: Simplify right side
    282,326.26x = 60,393,591,851.12
  5. Step 5: Solve for x
    x = 60,393,591,851.12/282,326.26
  6. Step 6: Final answer
    x = 213,914.19

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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.