Home / 451,156.50-676,780.47-166,922.10

Finding the Fourth Proportional to 451,156.50, 676,780.47 and 166,922.10

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Solution

The fourth proportional to 451,156.50, 676,780.47 and 166,922.10 is: 250,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,156.50 : 676,780.47 = 166,922.10 : x
  2. Step 2: Convert to fraction form
    451,156.50/676,780.47 = 166,922.10/x
  3. Step 3: Cross multiply
    451,156.50x = 676,780.47 × 166,922.10
  4. Step 4: Simplify right side
    451,156.50x = 112,969,617,291.39
  5. Step 5: Solve for x
    x = 112,969,617,291.39/451,156.50
  6. Step 6: Final answer
    x = 250,400.07

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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.