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Finding the Fourth Proportional to 389,850.44, 537,998.02 and 228,708.24

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Solution

The fourth proportional to 389,850.44, 537,998.02 and 228,708.24 is: 315,619.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,850.44 : 537,998.02 = 228,708.24 : x
  2. Step 2: Convert to fraction form
    389,850.44/537,998.02 = 228,708.24/x
  3. Step 3: Cross multiply
    389,850.44x = 537,998.02 × 228,708.24
  4. Step 4: Simplify right side
    389,850.44x = 123,044,580,277.69
  5. Step 5: Solve for x
    x = 123,044,580,277.69/389,850.44
  6. Step 6: Final answer
    x = 315,619.96

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1.5x scale

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.