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Finding the Fourth Proportional to 304,819.56, 420,657.75 and 173,994.54

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Solution

The fourth proportional to 304,819.56, 420,657.75 and 173,994.54 is: 240,116.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,819.56 : 420,657.75 = 173,994.54 : x
  2. Step 2: Convert to fraction form
    304,819.56/420,657.75 = 173,994.54/x
  3. Step 3: Cross multiply
    304,819.56x = 420,657.75 × 173,994.54
  4. Step 4: Simplify right side
    304,819.56x = 73,192,151,708.69
  5. Step 5: Solve for x
    x = 73,192,151,708.69/304,819.56
  6. Step 6: Final answer
    x = 240,116.32

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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.