Home / 258,456.12-356,617.14-151,005.42

Finding the Fourth Proportional to 258,456.12, 356,617.14 and 151,005.42

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Solution

The fourth proportional to 258,456.12, 356,617.14 and 151,005.42 is: 208,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,456.12 : 356,617.14 = 151,005.42 : x
  2. Step 2: Convert to fraction form
    258,456.12/356,617.14 = 151,005.42/x
  3. Step 3: Cross multiply
    258,456.12x = 356,617.14 × 151,005.42
  4. Step 4: Simplify right side
    258,456.12x = 53,851,121,004.90
  5. Step 5: Solve for x
    x = 53,851,121,004.90/258,456.12
  6. Step 6: Final answer
    x = 208,356.92

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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.