Home / 336,979.36-505,219.56-159,278.86

Finding the Fourth Proportional to 336,979.36, 505,219.56 and 159,278.86

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Solution

The fourth proportional to 336,979.36, 505,219.56 and 159,278.86 is: 238,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,979.36 : 505,219.56 = 159,278.86 : x
  2. Step 2: Convert to fraction form
    336,979.36/505,219.56 = 159,278.86/x
  3. Step 3: Cross multiply
    336,979.36x = 505,219.56 × 159,278.86
  4. Step 4: Simplify right side
    336,979.36x = 80,470,795,566.50
  5. Step 5: Solve for x
    x = 80,470,795,566.50/336,979.36
  6. Step 6: Final answer
    x = 238,800.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.