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Finding the Fourth Proportional to 323,866.61, 446,936.72 and 180,635.93

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Solution

The fourth proportional to 323,866.61, 446,936.72 and 180,635.93 is: 249,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,866.61 : 446,936.72 = 180,635.93 : x
  2. Step 2: Convert to fraction form
    323,866.61/446,936.72 = 180,635.93/x
  3. Step 3: Cross multiply
    323,866.61x = 446,936.72 × 180,635.93
  4. Step 4: Simplify right side
    323,866.61x = 80,732,829,165.17
  5. Step 5: Solve for x
    x = 80,732,829,165.17/323,866.61
  6. Step 6: Final answer
    x = 249,278.03

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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.