Home / 439,004.94-658,621.04-135,392.39

Finding the Fourth Proportional to 439,004.94, 658,621.04 and 135,392.39

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Solution

The fourth proportional to 439,004.94, 658,621.04 and 135,392.39 is: 203,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,004.94 : 658,621.04 = 135,392.39 : x
  2. Step 2: Convert to fraction form
    439,004.94/658,621.04 = 135,392.39/x
  3. Step 3: Cross multiply
    439,004.94x = 658,621.04 × 135,392.39
  4. Step 4: Simplify right side
    439,004.94x = 89,172,276,032.92
  5. Step 5: Solve for x
    x = 89,172,276,032.92/439,004.94
  6. Step 6: Final answer
    x = 203,123.63

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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.