Home / 340,342.48-469,651.50-197,077.60

Finding the Fourth Proportional to 340,342.48, 469,651.50 and 197,077.60

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Solution

The fourth proportional to 340,342.48, 469,651.50 and 197,077.60 is: 271,954.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,342.48 : 469,651.50 = 197,077.60 : x
  2. Step 2: Convert to fraction form
    340,342.48/469,651.50 = 197,077.60/x
  3. Step 3: Cross multiply
    340,342.48x = 469,651.50 × 197,077.60
  4. Step 4: Simplify right side
    340,342.48x = 92,557,790,456.40
  5. Step 5: Solve for x
    x = 92,557,790,456.40/340,342.48
  6. Step 6: Final answer
    x = 271,954.86

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1.5x scale

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.