Home / 378,427.24-566,998.56-228,352.21

Finding the Fourth Proportional to 378,427.24, 566,998.56 and 228,352.21

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Solution

The fourth proportional to 378,427.24, 566,998.56 and 228,352.21 is: 342,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,427.24 : 566,998.56 = 228,352.21 : x
  2. Step 2: Convert to fraction form
    378,427.24/566,998.56 = 228,352.21/x
  3. Step 3: Cross multiply
    378,427.24x = 566,998.56 × 228,352.21
  4. Step 4: Simplify right side
    378,427.24x = 129,475,374,242.82
  5. Step 5: Solve for x
    x = 129,475,374,242.82/378,427.24
  6. Step 6: Final answer
    x = 342,140.74

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1.5x scale

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.