Home / 389,364.85-537,438.41-228,254.77

Finding the Fourth Proportional to 389,364.85, 537,438.41 and 228,254.77

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Solution

The fourth proportional to 389,364.85, 537,438.41 and 228,254.77 is: 315,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,364.85 : 537,438.41 = 228,254.77 : x
  2. Step 2: Convert to fraction form
    389,364.85/537,438.41 = 228,254.77/x
  3. Step 3: Cross multiply
    389,364.85x = 537,438.41 × 228,254.77
  4. Step 4: Simplify right side
    389,364.85x = 122,672,880,663.72
  5. Step 5: Solve for x
    x = 122,672,880,663.72/389,364.85
  6. Step 6: Final answer
    x = 315,058.95

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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.