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Finding the Fourth Proportional to 341,367.89, 471,264.85 and 249,383.95

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Solution

The fourth proportional to 341,367.89, 471,264.85 and 249,383.95 is: 344,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,367.89 : 471,264.85 = 249,383.95 : x
  2. Step 2: Convert to fraction form
    341,367.89/471,264.85 = 249,383.95/x
  3. Step 3: Cross multiply
    341,367.89x = 471,264.85 × 249,383.95
  4. Step 4: Simplify right side
    341,367.89x = 117,525,888,922.73
  5. Step 5: Solve for x
    x = 117,525,888,922.73/341,367.89
  6. Step 6: Final answer
    x = 344,279.28

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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.