Home / 399,232.25-598,856.66-143,081.47

Finding the Fourth Proportional to 399,232.25, 598,856.66 and 143,081.47

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Solution

The fourth proportional to 399,232.25, 598,856.66 and 143,081.47 is: 214,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,232.25 : 598,856.66 = 143,081.47 : x
  2. Step 2: Convert to fraction form
    399,232.25/598,856.66 = 143,081.47/x
  3. Step 3: Cross multiply
    399,232.25x = 598,856.66 × 143,081.47
  4. Step 4: Simplify right side
    399,232.25x = 85,685,291,232.09
  5. Step 5: Solve for x
    x = 85,685,291,232.09/399,232.25
  6. Step 6: Final answer
    x = 214,625.17

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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.