Home / 395,032.35-545,144.28-222,986.53

Finding the Fourth Proportional to 395,032.35, 545,144.28 and 222,986.53

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Solution

The fourth proportional to 395,032.35, 545,144.28 and 222,986.53 is: 307,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,032.35 : 545,144.28 = 222,986.53 : x
  2. Step 2: Convert to fraction form
    395,032.35/545,144.28 = 222,986.53/x
  3. Step 3: Cross multiply
    395,032.35x = 545,144.28 × 222,986.53
  4. Step 4: Simplify right side
    395,032.35x = 121,559,831,346.55
  5. Step 5: Solve for x
    x = 121,559,831,346.55/395,032.35
  6. Step 6: Final answer
    x = 307,721.21

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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.