Home / 439,056.37-658,508.01-123,438.25

Finding the Fourth Proportional to 439,056.37, 658,508.01 and 123,438.25

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Solution

The fourth proportional to 439,056.37, 658,508.01 and 123,438.25 is: 185,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,056.37 : 658,508.01 = 123,438.25 : x
  2. Step 2: Convert to fraction form
    439,056.37/658,508.01 = 123,438.25/x
  3. Step 3: Cross multiply
    439,056.37x = 658,508.01 × 123,438.25
  4. Step 4: Simplify right side
    439,056.37x = 81,285,076,365.38
  5. Step 5: Solve for x
    x = 81,285,076,365.38/439,056.37
  6. Step 6: Final answer
    x = 185,135.85

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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.