Home / 331,943.62-497,074.61-205,830.18

Finding the Fourth Proportional to 331,943.62, 497,074.61 and 205,830.18

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Solution

The fourth proportional to 331,943.62, 497,074.61 and 205,830.18 is: 308,223.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,943.62 : 497,074.61 = 205,830.18 : x
  2. Step 2: Convert to fraction form
    331,943.62/497,074.61 = 205,830.18/x
  3. Step 3: Cross multiply
    331,943.62x = 497,074.61 × 205,830.18
  4. Step 4: Simplify right side
    331,943.62x = 102,312,954,577.82
  5. Step 5: Solve for x
    x = 102,312,954,577.82/331,943.62
  6. Step 6: Final answer
    x = 308,223.89

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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.