Home / 305,822.64-422,068.78-175,012.42

Finding the Fourth Proportional to 305,822.64, 422,068.78 and 175,012.42

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Solution

The fourth proportional to 305,822.64, 422,068.78 and 175,012.42 is: 241,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,822.64 : 422,068.78 = 175,012.42 : x
  2. Step 2: Convert to fraction form
    305,822.64/422,068.78 = 175,012.42/x
  3. Step 3: Cross multiply
    305,822.64x = 422,068.78 × 175,012.42
  4. Step 4: Simplify right side
    305,822.64x = 73,867,278,594.25
  5. Step 5: Solve for x
    x = 73,867,278,594.25/305,822.64
  6. Step 6: Final answer
    x = 241,536.33

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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.