Home / 278,240.05-417,367.27-75,837.82

Finding the Fourth Proportional to 278,240.05, 417,367.27 and 75,837.82

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Solution

The fourth proportional to 278,240.05, 417,367.27 and 75,837.82 is: 113,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,240.05 : 417,367.27 = 75,837.82 : x
  2. Step 2: Convert to fraction form
    278,240.05/417,367.27 = 75,837.82/x
  3. Step 3: Cross multiply
    278,240.05x = 417,367.27 × 75,837.82
  4. Step 4: Simplify right side
    278,240.05x = 31,652,223,303.51
  5. Step 5: Solve for x
    x = 31,652,223,303.51/278,240.05
  6. Step 6: Final answer
    x = 113,758.69

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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.