Home / 439,916.67-659,879.46-140,418.36

Finding the Fourth Proportional to 439,916.67, 659,879.46 and 140,418.36

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Solution

The fourth proportional to 439,916.67, 659,879.46 and 140,418.36 is: 210,628.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,916.67 : 659,879.46 = 140,418.36 : x
  2. Step 2: Convert to fraction form
    439,916.67/659,879.46 = 140,418.36/x
  3. Step 3: Cross multiply
    439,916.67x = 659,879.46 × 140,418.36
  4. Step 4: Simplify right side
    439,916.67x = 92,659,191,570.89
  5. Step 5: Solve for x
    x = 92,659,191,570.89/439,916.67
  6. Step 6: Final answer
    x = 210,628.96

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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.