Home / 377,922.07-521,532.44-208,156.20

Finding the Fourth Proportional to 377,922.07, 521,532.44 and 208,156.20

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Solution

The fourth proportional to 377,922.07, 521,532.44 and 208,156.20 is: 287,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,922.07 : 521,532.44 = 208,156.20 : x
  2. Step 2: Convert to fraction form
    377,922.07/521,532.44 = 208,156.20/x
  3. Step 3: Cross multiply
    377,922.07x = 521,532.44 × 208,156.20
  4. Step 4: Simplify right side
    377,922.07x = 108,560,208,671.19
  5. Step 5: Solve for x
    x = 108,560,208,671.19/377,922.07
  6. Step 6: Final answer
    x = 287,255.54

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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.