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Finding the Fourth Proportional to 436,902.58, 655,370 and 196,969.58

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Solution

The fourth proportional to 436,902.58, 655,370 and 196,969.58 is: 295,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,902.58 : 655,370 = 196,969.58 : x
  2. Step 2: Convert to fraction form
    436,902.58/655,370 = 196,969.58/x
  3. Step 3: Cross multiply
    436,902.58x = 655,370 × 196,969.58
  4. Step 4: Simplify right side
    436,902.58x = 129,087,953,644.60
  5. Step 5: Solve for x
    x = 129,087,953,644.60/436,902.58
  6. Step 6: Final answer
    x = 295,461.64

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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.