Home / 387,977.51-582,108.42-163,394.48

Finding the Fourth Proportional to 387,977.51, 582,108.42 and 163,394.48

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Solution

The fourth proportional to 387,977.51, 582,108.42 and 163,394.48 is: 245,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,977.51 : 582,108.42 = 163,394.48 : x
  2. Step 2: Convert to fraction form
    387,977.51/582,108.42 = 163,394.48/x
  3. Step 3: Cross multiply
    387,977.51x = 582,108.42 × 163,394.48
  4. Step 4: Simplify right side
    387,977.51x = 95,113,302,589.52
  5. Step 5: Solve for x
    x = 95,113,302,589.52/387,977.51
  6. Step 6: Final answer
    x = 245,151.59

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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.