Home / 668,669.78-1,003,001.16-163,233.43

Finding the Fourth Proportional to 668,669.78, 1,003,001.16 and 163,233.43

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Solution

The fourth proportional to 668,669.78, 1,003,001.16 and 163,233.43 is: 244,849.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,669.78 : 1,003,001.16 = 163,233.43 : x
  2. Step 2: Convert to fraction form
    668,669.78/1,003,001.16 = 163,233.43/x
  3. Step 3: Cross multiply
    668,669.78x = 1,003,001.16 × 163,233.43
  4. Step 4: Simplify right side
    668,669.78x = 163,723,317,745.40
  5. Step 5: Solve for x
    x = 163,723,317,745.40/668,669.78
  6. Step 6: Final answer
    x = 244,849.28

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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.