Home / 285,795.84-394,308.48-164,921.25

Finding the Fourth Proportional to 285,795.84, 394,308.48 and 164,921.25

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Solution

The fourth proportional to 285,795.84, 394,308.48 and 164,921.25 is: 227,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,795.84 : 394,308.48 = 164,921.25 : x
  2. Step 2: Convert to fraction form
    285,795.84/394,308.48 = 164,921.25/x
  3. Step 3: Cross multiply
    285,795.84x = 394,308.48 × 164,921.25
  4. Step 4: Simplify right side
    285,795.84x = 65,029,847,407.20
  5. Step 5: Solve for x
    x = 65,029,847,407.20/285,795.84
  6. Step 6: Final answer
    x = 227,539.52

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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.