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Finding the Fourth Proportional to 275,468.14, 413,155.43 and 125,673.22

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Solution

The fourth proportional to 275,468.14, 413,155.43 and 125,673.22 is: 188,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,468.14 : 413,155.43 = 125,673.22 : x
  2. Step 2: Convert to fraction form
    275,468.14/413,155.43 = 125,673.22/x
  3. Step 3: Cross multiply
    275,468.14x = 413,155.43 × 125,673.22
  4. Step 4: Simplify right side
    275,468.14x = 51,922,573,248.58
  5. Step 5: Solve for x
    x = 51,922,573,248.58/275,468.14
  6. Step 6: Final answer
    x = 188,488.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.