Home / 435,940.26-653,922.69-120,397.20

Finding the Fourth Proportional to 435,940.26, 653,922.69 and 120,397.20

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Solution

The fourth proportional to 435,940.26, 653,922.69 and 120,397.20 is: 180,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,940.26 : 653,922.69 = 120,397.20 : x
  2. Step 2: Convert to fraction form
    435,940.26/653,922.69 = 120,397.20/x
  3. Step 3: Cross multiply
    435,940.26x = 653,922.69 × 120,397.20
  4. Step 4: Simplify right side
    435,940.26x = 78,730,460,892.47
  5. Step 5: Solve for x
    x = 78,730,460,892.47/435,940.26
  6. Step 6: Final answer
    x = 180,599.20

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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.