Home / 276,530.92-414,856.86-89,561.32

Finding the Fourth Proportional to 276,530.92, 414,856.86 and 89,561.32

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Solution

The fourth proportional to 276,530.92, 414,856.86 and 89,561.32 is: 134,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,530.92 : 414,856.86 = 89,561.32 : x
  2. Step 2: Convert to fraction form
    276,530.92/414,856.86 = 89,561.32/x
  3. Step 3: Cross multiply
    276,530.92x = 414,856.86 × 89,561.32
  4. Step 4: Simplify right side
    276,530.92x = 37,155,127,992.66
  5. Step 5: Solve for x
    x = 37,155,127,992.66/276,530.92
  6. Step 6: Final answer
    x = 134,361.57

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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.