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Finding the Fourth Proportional to 354,264.82, 488,860.99 and 199,239.33

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Solution

The fourth proportional to 354,264.82, 488,860.99 and 199,239.33 is: 274,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,264.82 : 488,860.99 = 199,239.33 : x
  2. Step 2: Convert to fraction form
    354,264.82/488,860.99 = 199,239.33/x
  3. Step 3: Cross multiply
    354,264.82x = 488,860.99 × 199,239.33
  4. Step 4: Simplify right side
    354,264.82x = 97,400,336,110.74
  5. Step 5: Solve for x
    x = 97,400,336,110.74/354,264.82
  6. Step 6: Final answer
    x = 274,936.52

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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.