Home / 304,478.37-420,077.75-177,049.17

Finding the Fourth Proportional to 304,478.37, 420,077.75 and 177,049.17

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Solution

The fourth proportional to 304,478.37, 420,077.75 and 177,049.17 is: 244,268.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,478.37 : 420,077.75 = 177,049.17 : x
  2. Step 2: Convert to fraction form
    304,478.37/420,077.75 = 177,049.17/x
  3. Step 3: Cross multiply
    304,478.37x = 420,077.75 × 177,049.17
  4. Step 4: Simplify right side
    304,478.37x = 74,374,416,087.72
  5. Step 5: Solve for x
    x = 74,374,416,087.72/304,478.37
  6. Step 6: Final answer
    x = 244,268.31

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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.