Home / 282,327.26-389,612.27-155,011.02

Finding the Fourth Proportional to 282,327.26, 389,612.27 and 155,011.02

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Solution

The fourth proportional to 282,327.26, 389,612.27 and 155,011.02 is: 213,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,327.26 : 389,612.27 = 155,011.02 : x
  2. Step 2: Convert to fraction form
    282,327.26/389,612.27 = 155,011.02/x
  3. Step 3: Cross multiply
    282,327.26x = 389,612.27 × 155,011.02
  4. Step 4: Simplify right side
    282,327.26x = 60,394,195,377.22
  5. Step 5: Solve for x
    x = 60,394,195,377.22/282,327.26
  6. Step 6: Final answer
    x = 213,915.57

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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.