Home / 218,826.64-328,295.26-61,055

Finding the Fourth Proportional to 218,826.64, 328,295.26 and 61,055

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Solution

The fourth proportional to 218,826.64, 328,295.26 and 61,055 is: 91,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,826.64 : 328,295.26 = 61,055 : x
  2. Step 2: Convert to fraction form
    218,826.64/328,295.26 = 61,055/x
  3. Step 3: Cross multiply
    218,826.64x = 328,295.26 × 61,055
  4. Step 4: Simplify right side
    218,826.64x = 20,044,067,099.30
  5. Step 5: Solve for x
    x = 20,044,067,099.30/218,826.64
  6. Step 6: Final answer
    x = 91,597.93

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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.