Home / 536,874.93-804,721.86-221,159.61

Finding the Fourth Proportional to 536,874.93, 804,721.86 and 221,159.61

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Solution

The fourth proportional to 536,874.93, 804,721.86 and 221,159.61 is: 331,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,874.93 : 804,721.86 = 221,159.61 : x
  2. Step 2: Convert to fraction form
    536,874.93/804,721.86 = 221,159.61/x
  3. Step 3: Cross multiply
    536,874.93x = 804,721.86 × 221,159.61
  4. Step 4: Simplify right side
    536,874.93x = 177,971,972,716.08
  5. Step 5: Solve for x
    x = 177,971,972,716.08/536,874.93
  6. Step 6: Final answer
    x = 331,496.15

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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.