Home / 439,124.25-658,688.44-135,514.67

Finding the Fourth Proportional to 439,124.25, 658,688.44 and 135,514.67

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Solution

The fourth proportional to 439,124.25, 658,688.44 and 135,514.67 is: 203,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,124.25 : 658,688.44 = 135,514.67 : x
  2. Step 2: Convert to fraction form
    439,124.25/658,688.44 = 135,514.67/x
  3. Step 3: Cross multiply
    439,124.25x = 658,688.44 × 135,514.67
  4. Step 4: Simplify right side
    439,124.25x = 89,261,946,906.40
  5. Step 5: Solve for x
    x = 89,261,946,906.40/439,124.25
  6. Step 6: Final answer
    x = 203,272.64

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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.