Home / 445,041.14-667,625.31-137,319.17

Finding the Fourth Proportional to 445,041.14, 667,625.31 and 137,319.17

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Solution

The fourth proportional to 445,041.14, 667,625.31 and 137,319.17 is: 205,998.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,041.14 : 667,625.31 = 137,319.17 : x
  2. Step 2: Convert to fraction form
    445,041.14/667,625.31 = 137,319.17/x
  3. Step 3: Cross multiply
    445,041.14x = 667,625.31 × 137,319.17
  4. Step 4: Simplify right side
    445,041.14x = 91,677,750,102.07
  5. Step 5: Solve for x
    x = 91,677,750,102.07/445,041.14
  6. Step 6: Final answer
    x = 205,998.37

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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.