Home / 668,679.91-1,003,016.34-163,243.55

Finding the Fourth Proportional to 668,679.91, 1,003,016.34 and 163,243.55

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Solution

The fourth proportional to 668,679.91, 1,003,016.34 and 163,243.55 is: 244,864.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,679.91 : 1,003,016.34 = 163,243.55 : x
  2. Step 2: Convert to fraction form
    668,679.91/1,003,016.34 = 163,243.55/x
  3. Step 3: Cross multiply
    668,679.91x = 1,003,016.34 × 163,243.55
  4. Step 4: Simplify right side
    668,679.91x = 163,735,950,557.15
  5. Step 5: Solve for x
    x = 163,735,950,557.15/668,679.91
  6. Step 6: Final answer
    x = 244,864.47

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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.