Home / 451,822.74-677,293.47-215,101.86

Finding the Fourth Proportional to 451,822.74, 677,293.47 and 215,101.86

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Solution

The fourth proportional to 451,822.74, 677,293.47 and 215,101.86 is: 322,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,822.74 : 677,293.47 = 215,101.86 : x
  2. Step 2: Convert to fraction form
    451,822.74/677,293.47 = 215,101.86/x
  3. Step 3: Cross multiply
    451,822.74x = 677,293.47 × 215,101.86
  4. Step 4: Simplify right side
    451,822.74x = 145,687,085,162.85
  5. Step 5: Solve for x
    x = 145,687,085,162.85/451,822.74
  6. Step 6: Final answer
    x = 322,443.01

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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.