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Finding the Fourth Proportional to 341,453.28, 471,252.99 and 190,560

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Solution

The fourth proportional to 341,453.28, 471,252.99 and 190,560 is: 262,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,453.28 : 471,252.99 = 190,560 : x
  2. Step 2: Convert to fraction form
    341,453.28/471,252.99 = 190,560/x
  3. Step 3: Cross multiply
    341,453.28x = 471,252.99 × 190,560
  4. Step 4: Simplify right side
    341,453.28x = 89,801,969,774.40
  5. Step 5: Solve for x
    x = 89,801,969,774.40/341,453.28
  6. Step 6: Final answer
    x = 262,999.29

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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.