Home / 282,324.76-389,608.82-155,008.52

Finding the Fourth Proportional to 282,324.76, 389,608.82 and 155,008.52

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Solution

The fourth proportional to 282,324.76, 389,608.82 and 155,008.52 is: 213,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,324.76 : 389,608.82 = 155,008.52 : x
  2. Step 2: Convert to fraction form
    282,324.76/389,608.82 = 155,008.52/x
  3. Step 3: Cross multiply
    282,324.76x = 389,608.82 × 155,008.52
  4. Step 4: Simplify right side
    282,324.76x = 60,392,686,567.15
  5. Step 5: Solve for x
    x = 60,392,686,567.15/282,324.76
  6. Step 6: Final answer
    x = 213,912.12

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1.5x scale

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.