Home / 668,757.12-1,003,291.20-195,449.28

Finding the Fourth Proportional to 668,757.12, 1,003,291.20 and 195,449.28

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Solution

The fourth proportional to 668,757.12, 1,003,291.20 and 195,449.28 is: 293,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,757.12 : 1,003,291.20 = 195,449.28 : x
  2. Step 2: Convert to fraction form
    668,757.12/1,003,291.20 = 195,449.28/x
  3. Step 3: Cross multiply
    668,757.12x = 1,003,291.20 × 195,449.28
  4. Step 4: Simplify right side
    668,757.12x = 196,092,542,670.34
  5. Step 5: Solve for x
    x = 196,092,542,670.34/668,757.12
  6. Step 6: Final answer
    x = 293,219.37

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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.