Home / 435,986.40-653,711.97-169,435.68

Finding the Fourth Proportional to 435,986.40, 653,711.97 and 169,435.68

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Solution

The fourth proportional to 435,986.40, 653,711.97 and 169,435.68 is: 254,049.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,986.40 : 653,711.97 = 169,435.68 : x
  2. Step 2: Convert to fraction form
    435,986.40/653,711.97 = 169,435.68/x
  3. Step 3: Cross multiply
    435,986.40x = 653,711.97 × 169,435.68
  4. Step 4: Simplify right side
    435,986.40x = 110,762,132,161.09
  5. Step 5: Solve for x
    x = 110,762,132,161.09/435,986.40
  6. Step 6: Final answer
    x = 254,049.51

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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.