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Finding the Fourth Proportional to 389,908.35, 537,849 and 234,751.77

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Solution

The fourth proportional to 389,908.35, 537,849 and 234,751.77 is: 323,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,908.35 : 537,849 = 234,751.77 : x
  2. Step 2: Convert to fraction form
    389,908.35/537,849 = 234,751.77/x
  3. Step 3: Cross multiply
    389,908.35x = 537,849 × 234,751.77
  4. Step 4: Simplify right side
    389,908.35x = 126,261,004,742.73
  5. Step 5: Solve for x
    x = 126,261,004,742.73/389,908.35
  6. Step 6: Final answer
    x = 323,822.26

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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.