Home / 547,824.13-821,773.32-168,721.45

Finding the Fourth Proportional to 547,824.13, 821,773.32 and 168,721.45

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Solution

The fourth proportional to 547,824.13, 821,773.32 and 168,721.45 is: 253,093.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,824.13 : 821,773.32 = 168,721.45 : x
  2. Step 2: Convert to fraction form
    547,824.13/821,773.32 = 168,721.45/x
  3. Step 3: Cross multiply
    547,824.13x = 821,773.32 × 168,721.45
  4. Step 4: Simplify right side
    547,824.13x = 138,650,786,121.71
  5. Step 5: Solve for x
    x = 138,650,786,121.71/547,824.13
  6. Step 6: Final answer
    x = 253,093.61

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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.