Home / 718,140.32-1,077,247.44-185,665.96

Finding the Fourth Proportional to 718,140.32, 1,077,247.44 and 185,665.96

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Solution

The fourth proportional to 718,140.32, 1,077,247.44 and 185,665.96 is: 278,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,140.32 : 1,077,247.44 = 185,665.96 : x
  2. Step 2: Convert to fraction form
    718,140.32/1,077,247.44 = 185,665.96/x
  3. Step 3: Cross multiply
    718,140.32x = 1,077,247.44 × 185,665.96
  4. Step 4: Simplify right side
    718,140.32x = 200,008,180,105.14
  5. Step 5: Solve for x
    x = 200,008,180,105.14/718,140.32
  6. Step 6: Final answer
    x = 278,508.50

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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.