Home / 382,228.48-573,346.19-115,989

Finding the Fourth Proportional to 382,228.48, 573,346.19 and 115,989

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Solution

The fourth proportional to 382,228.48, 573,346.19 and 115,989 is: 173,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,228.48 : 573,346.19 = 115,989 : x
  2. Step 2: Convert to fraction form
    382,228.48/573,346.19 = 115,989/x
  3. Step 3: Cross multiply
    382,228.48x = 573,346.19 × 115,989
  4. Step 4: Simplify right side
    382,228.48x = 66,501,851,231.91
  5. Step 5: Solve for x
    x = 66,501,851,231.91/382,228.48
  6. Step 6: Final answer
    x = 173,984.55

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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.