Home / 435,720.20-653,450.70-169,327.40

Finding the Fourth Proportional to 435,720.20, 653,450.70 and 169,327.40

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Solution

The fourth proportional to 435,720.20, 653,450.70 and 169,327.40 is: 253,940.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,720.20 : 653,450.70 = 169,327.40 : x
  2. Step 2: Convert to fraction form
    435,720.20/653,450.70 = 169,327.40/x
  3. Step 3: Cross multiply
    435,720.20x = 653,450.70 × 169,327.40
  4. Step 4: Simplify right side
    435,720.20x = 110,647,108,059.18
  5. Step 5: Solve for x
    x = 110,647,108,059.18/435,720.20
  6. Step 6: Final answer
    x = 253,940.74

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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.