Home / 389,363.85-537,437.03-228,253.77

Finding the Fourth Proportional to 389,363.85, 537,437.03 and 228,253.77

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Solution

The fourth proportional to 389,363.85, 537,437.03 and 228,253.77 is: 315,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,363.85 : 537,437.03 = 228,253.77 : x
  2. Step 2: Convert to fraction form
    389,363.85/537,437.03 = 228,253.77/x
  3. Step 3: Cross multiply
    389,363.85x = 537,437.03 × 228,253.77
  4. Step 4: Simplify right side
    389,363.85x = 122,672,027,093.83
  5. Step 5: Solve for x
    x = 122,672,027,093.83/389,363.85
  6. Step 6: Final answer
    x = 315,057.57

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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.