Home / 305,971.70-422,120.03-176,886.43

Finding the Fourth Proportional to 305,971.70, 422,120.03 and 176,886.43

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Solution

The fourth proportional to 305,971.70, 422,120.03 and 176,886.43 is: 244,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,971.70 : 422,120.03 = 176,886.43 : x
  2. Step 2: Convert to fraction form
    305,971.70/422,120.03 = 176,886.43/x
  3. Step 3: Cross multiply
    305,971.70x = 422,120.03 × 176,886.43
  4. Step 4: Simplify right side
    305,971.70x = 74,667,303,198.46
  5. Step 5: Solve for x
    x = 74,667,303,198.46/305,971.70
  6. Step 6: Final answer
    x = 244,033.36

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1.5x scale

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.