Home / 282,414.21-389,734.34-155,092.52

Finding the Fourth Proportional to 282,414.21, 389,734.34 and 155,092.52

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Solution

The fourth proportional to 282,414.21, 389,734.34 and 155,092.52 is: 214,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,414.21 : 389,734.34 = 155,092.52 : x
  2. Step 2: Convert to fraction form
    282,414.21/389,734.34 = 155,092.52/x
  3. Step 3: Cross multiply
    282,414.21x = 389,734.34 × 155,092.52
  4. Step 4: Simplify right side
    282,414.21x = 60,444,878,197.00
  5. Step 5: Solve for x
    x = 60,444,878,197.00/282,414.21
  6. Step 6: Final answer
    x = 214,029.17

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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.