Home / 339,922.20-469,058.94-259,401.72

Finding the Fourth Proportional to 339,922.20, 469,058.94 and 259,401.72

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Solution

The fourth proportional to 339,922.20, 469,058.94 and 259,401.72 is: 357,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,922.20 : 469,058.94 = 259,401.72 : x
  2. Step 2: Convert to fraction form
    339,922.20/469,058.94 = 259,401.72/x
  3. Step 3: Cross multiply
    339,922.20x = 469,058.94 × 259,401.72
  4. Step 4: Simplify right side
    339,922.20x = 121,674,695,817.38
  5. Step 5: Solve for x
    x = 121,674,695,817.38/339,922.20
  6. Step 6: Final answer
    x = 357,948.66

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1.5x scale

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.