Home / 282,511.89-389,869.26-153,452.88

Finding the Fourth Proportional to 282,511.89, 389,869.26 and 153,452.88

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Solution

The fourth proportional to 282,511.89, 389,869.26 and 153,452.88 is: 211,766.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,511.89 : 389,869.26 = 153,452.88 : x
  2. Step 2: Convert to fraction form
    282,511.89/389,869.26 = 153,452.88/x
  3. Step 3: Cross multiply
    282,511.89x = 389,869.26 × 153,452.88
  4. Step 4: Simplify right side
    282,511.89x = 59,826,560,770.47
  5. Step 5: Solve for x
    x = 59,826,560,770.47/282,511.89
  6. Step 6: Final answer
    x = 211,766.52

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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.