Home / 435,440.10-653,201.37-169,221.15

Finding the Fourth Proportional to 435,440.10, 653,201.37 and 169,221.15

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Solution

The fourth proportional to 435,440.10, 653,201.37 and 169,221.15 is: 253,847.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,440.10 : 653,201.37 = 169,221.15 : x
  2. Step 2: Convert to fraction form
    435,440.10/653,201.37 = 169,221.15/x
  3. Step 3: Cross multiply
    435,440.10x = 653,201.37 × 169,221.15
  4. Step 4: Simplify right side
    435,440.10x = 110,535,487,012.98
  5. Step 5: Solve for x
    x = 110,535,487,012.98/435,440.10
  6. Step 6: Final answer
    x = 253,847.74

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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.