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Finding the Fourth Proportional to 389,901.84, 537,840.04 and 234,745.27

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Solution

The fourth proportional to 389,901.84, 537,840.04 and 234,745.27 is: 323,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,901.84 : 537,840.04 = 234,745.27 : x
  2. Step 2: Convert to fraction form
    389,901.84/537,840.04 = 234,745.27/x
  3. Step 3: Cross multiply
    389,901.84x = 537,840.04 × 234,745.27
  4. Step 4: Simplify right side
    389,901.84x = 126,255,405,406.61
  5. Step 5: Solve for x
    x = 126,255,405,406.61/389,901.84
  6. Step 6: Final answer
    x = 323,813.31

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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.