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Finding the Fourth Proportional to 435,393.56, 652,922.57 and 169,119.02

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Solution

The fourth proportional to 435,393.56, 652,922.57 and 169,119.02 is: 253,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,393.56 : 652,922.57 = 169,119.02 : x
  2. Step 2: Convert to fraction form
    435,393.56/652,922.57 = 169,119.02/x
  3. Step 3: Cross multiply
    435,393.56x = 652,922.57 × 169,119.02
  4. Step 4: Simplify right side
    435,393.56x = 110,421,627,229.39
  5. Step 5: Solve for x
    x = 110,421,627,229.39/435,393.56
  6. Step 6: Final answer
    x = 253,613.37

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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.