Home / 294,018.21-440,677.38-204,788.61

Finding the Fourth Proportional to 294,018.21, 440,677.38 and 204,788.61

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Solution

The fourth proportional to 294,018.21, 440,677.38 and 204,788.61 is: 306,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,018.21 : 440,677.38 = 204,788.61 : x
  2. Step 2: Convert to fraction form
    294,018.21/440,677.38 = 204,788.61/x
  3. Step 3: Cross multiply
    294,018.21x = 440,677.38 × 204,788.61
  4. Step 4: Simplify right side
    294,018.21x = 90,245,708,108.64
  5. Step 5: Solve for x
    x = 90,245,708,108.64/294,018.21
  6. Step 6: Final answer
    x = 306,939.18

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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.