Home / 282,122.94-389,336.82-154,798.50

Finding the Fourth Proportional to 282,122.94, 389,336.82 and 154,798.50

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Solution

The fourth proportional to 282,122.94, 389,336.82 and 154,798.50 is: 213,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,122.94 : 389,336.82 = 154,798.50 : x
  2. Step 2: Convert to fraction form
    282,122.94/389,336.82 = 154,798.50/x
  3. Step 3: Cross multiply
    282,122.94x = 389,336.82 × 154,798.50
  4. Step 4: Simplify right side
    282,122.94x = 60,268,755,730.77
  5. Step 5: Solve for x
    x = 60,268,755,730.77/282,122.94
  6. Step 6: Final answer
    x = 213,625.86

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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.