Home / 378,410.75-566,973.80-228,335.69

Finding the Fourth Proportional to 378,410.75, 566,973.80 and 228,335.69

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Solution

The fourth proportional to 378,410.75, 566,973.80 and 228,335.69 is: 342,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,410.75 : 566,973.80 = 228,335.69 : x
  2. Step 2: Convert to fraction form
    378,410.75/566,973.80 = 228,335.69/x
  3. Step 3: Cross multiply
    378,410.75x = 566,973.80 × 228,335.69
  4. Step 4: Simplify right side
    378,410.75x = 129,460,349,858.38
  5. Step 5: Solve for x
    x = 129,460,349,858.38/378,410.75
  6. Step 6: Final answer
    x = 342,115.95

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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.