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Finding the Fourth Proportional to 435,851.20, 653,647.20 and 169,458.40

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Solution

The fourth proportional to 435,851.20, 653,647.20 and 169,458.40 is: 254,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,851.20 : 653,647.20 = 169,458.40 : x
  2. Step 2: Convert to fraction form
    435,851.20/653,647.20 = 169,458.40/x
  3. Step 3: Cross multiply
    435,851.20x = 653,647.20 × 169,458.40
  4. Step 4: Simplify right side
    435,851.20x = 110,766,008,676.48
  5. Step 5: Solve for x
    x = 110,766,008,676.48/435,851.20
  6. Step 6: Final answer
    x = 254,137.21

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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.