Home / 269,170.20-403,814.34-79,615.74

Finding the Fourth Proportional to 269,170.20, 403,814.34 and 79,615.74

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Solution

The fourth proportional to 269,170.20, 403,814.34 and 79,615.74 is: 119,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,170.20 : 403,814.34 = 79,615.74 : x
  2. Step 2: Convert to fraction form
    269,170.20/403,814.34 = 79,615.74/x
  3. Step 3: Cross multiply
    269,170.20x = 403,814.34 × 79,615.74
  4. Step 4: Simplify right side
    269,170.20x = 32,149,977,501.71
  5. Step 5: Solve for x
    x = 32,149,977,501.71/269,170.20
  6. Step 6: Final answer
    x = 119,441.07

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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.