Home / 274,888.62-412,079.20-190,688.50

Finding the Fourth Proportional to 274,888.62, 412,079.20 and 190,688.50

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Solution

The fourth proportional to 274,888.62, 412,079.20 and 190,688.50 is: 285,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,888.62 : 412,079.20 = 190,688.50 : x
  2. Step 2: Convert to fraction form
    274,888.62/412,079.20 = 190,688.50/x
  3. Step 3: Cross multiply
    274,888.62x = 412,079.20 × 190,688.50
  4. Step 4: Simplify right side
    274,888.62x = 78,578,764,529.20
  5. Step 5: Solve for x
    x = 78,578,764,529.20/274,888.62
  6. Step 6: Final answer
    x = 285,856.74

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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.