Home / 578,162.28-867,027.96-198,976.98

Finding the Fourth Proportional to 578,162.28, 867,027.96 and 198,976.98

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Solution

The fourth proportional to 578,162.28, 867,027.96 and 198,976.98 is: 298,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,162.28 : 867,027.96 = 198,976.98 : x
  2. Step 2: Convert to fraction form
    578,162.28/867,027.96 = 198,976.98/x
  3. Step 3: Cross multiply
    578,162.28x = 867,027.96 × 198,976.98
  4. Step 4: Simplify right side
    578,162.28x = 172,518,605,056.36
  5. Step 5: Solve for x
    x = 172,518,605,056.36/578,162.28
  6. Step 6: Final answer
    x = 298,391.32

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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.