Home / 435,428.10-653,183.37-169,209.12

Finding the Fourth Proportional to 435,428.10, 653,183.37 and 169,209.12

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Solution

The fourth proportional to 435,428.10, 653,183.37 and 169,209.12 is: 253,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,428.10 : 653,183.37 = 169,209.12 : x
  2. Step 2: Convert to fraction form
    435,428.10/653,183.37 = 169,209.12/x
  3. Step 3: Cross multiply
    435,428.10x = 653,183.37 × 169,209.12
  4. Step 4: Simplify right side
    435,428.10x = 110,524,583,236.33
  5. Step 5: Solve for x
    x = 110,524,583,236.33/435,428.10
  6. Step 6: Final answer
    x = 253,829.70

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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.