Home / 321,669.37-481,741.34-254,894.79

Finding the Fourth Proportional to 321,669.37, 481,741.34 and 254,894.79

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Solution

The fourth proportional to 321,669.37, 481,741.34 and 254,894.79 is: 381,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,669.37 : 481,741.34 = 254,894.79 : x
  2. Step 2: Convert to fraction form
    321,669.37/481,741.34 = 254,894.79/x
  3. Step 3: Cross multiply
    321,669.37x = 481,741.34 × 254,894.79
  4. Step 4: Simplify right side
    321,669.37x = 122,793,357,693.62
  5. Step 5: Solve for x
    x = 122,793,357,693.62/321,669.37
  6. Step 6: Final answer
    x = 381,737.80

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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.