Home / 313,758.03-432,977.10-177,835.91

Finding the Fourth Proportional to 313,758.03, 432,977.10 and 177,835.91

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Solution

The fourth proportional to 313,758.03, 432,977.10 and 177,835.91 is: 245,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,758.03 : 432,977.10 = 177,835.91 : x
  2. Step 2: Convert to fraction form
    313,758.03/432,977.10 = 177,835.91/x
  3. Step 3: Cross multiply
    313,758.03x = 432,977.10 × 177,835.91
  4. Step 4: Simplify right side
    313,758.03x = 76,998,873,755.89
  5. Step 5: Solve for x
    x = 76,998,873,755.89/313,758.03
  6. Step 6: Final answer
    x = 245,408.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.