Home / 389,244.82-537,164.94-228,145.54

Finding the Fourth Proportional to 389,244.82, 537,164.94 and 228,145.54

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Solution

The fourth proportional to 389,244.82, 537,164.94 and 228,145.54 is: 314,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,244.82 : 537,164.94 = 228,145.54 : x
  2. Step 2: Convert to fraction form
    389,244.82/537,164.94 = 228,145.54/x
  3. Step 3: Cross multiply
    389,244.82x = 537,164.94 × 228,145.54
  4. Step 4: Simplify right side
    389,244.82x = 122,551,785,305.37
  5. Step 5: Solve for x
    x = 122,551,785,305.37/389,244.82
  6. Step 6: Final answer
    x = 314,845.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.