Home / 325,211.10-487,536.31-125,671.50

Finding the Fourth Proportional to 325,211.10, 487,536.31 and 125,671.50

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Solution

The fourth proportional to 325,211.10, 487,536.31 and 125,671.50 is: 188,398.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,211.10 : 487,536.31 = 125,671.50 : x
  2. Step 2: Convert to fraction form
    325,211.10/487,536.31 = 125,671.50/x
  3. Step 3: Cross multiply
    325,211.10x = 487,536.31 × 125,671.50
  4. Step 4: Simplify right side
    325,211.10x = 61,269,419,382.17
  5. Step 5: Solve for x
    x = 61,269,419,382.17/325,211.10
  6. Step 6: Final answer
    x = 188,398.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.