Home / 305,902.08-422,298.36-191,244.42

Finding the Fourth Proportional to 305,902.08, 422,298.36 and 191,244.42

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Solution

The fourth proportional to 305,902.08, 422,298.36 and 191,244.42 is: 264,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,902.08 : 422,298.36 = 191,244.42 : x
  2. Step 2: Convert to fraction form
    305,902.08/422,298.36 = 191,244.42/x
  3. Step 3: Cross multiply
    305,902.08x = 422,298.36 × 191,244.42
  4. Step 4: Simplify right side
    305,902.08x = 80,762,204,925.15
  5. Step 5: Solve for x
    x = 80,762,204,925.15/305,902.08
  6. Step 6: Final answer
    x = 264,013.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.