Home / 205,434.12-307,647.72-169,676.64

Finding the Fourth Proportional to 205,434.12, 307,647.72 and 169,676.64

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Solution

The fourth proportional to 205,434.12, 307,647.72 and 169,676.64 is: 254,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,434.12 : 307,647.72 = 169,676.64 : x
  2. Step 2: Convert to fraction form
    205,434.12/307,647.72 = 169,676.64/x
  3. Step 3: Cross multiply
    205,434.12x = 307,647.72 × 169,676.64
  4. Step 4: Simplify right side
    205,434.12x = 52,200,631,433.26
  5. Step 5: Solve for x
    x = 52,200,631,433.26/205,434.12
  6. Step 6: Final answer
    x = 254,099.13

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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.