Home / 387,976.51-582,106.92-163,393.48

Finding the Fourth Proportional to 387,976.51, 582,106.92 and 163,393.48

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Solution

The fourth proportional to 387,976.51, 582,106.92 and 163,393.48 is: 245,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,976.51 : 582,106.92 = 163,393.48 : x
  2. Step 2: Convert to fraction form
    387,976.51/582,106.92 = 163,393.48/x
  3. Step 3: Cross multiply
    387,976.51x = 582,106.92 × 163,393.48
  4. Step 4: Simplify right side
    387,976.51x = 95,112,475,390.88
  5. Step 5: Solve for x
    x = 95,112,475,390.88/387,976.51
  6. Step 6: Final answer
    x = 245,150.09

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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.