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Finding the Fourth Proportional to 354,263.82, 488,859.62 and 199,238.33

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Solution

The fourth proportional to 354,263.82, 488,859.62 and 199,238.33 is: 274,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,263.82 : 488,859.62 = 199,238.33 : x
  2. Step 2: Convert to fraction form
    354,263.82/488,859.62 = 199,238.33/x
  3. Step 3: Cross multiply
    354,263.82x = 488,859.62 × 199,238.33
  4. Step 4: Simplify right side
    354,263.82x = 97,399,570,852.74
  5. Step 5: Solve for x
    x = 97,399,570,852.74/354,263.82
  6. Step 6: Final answer
    x = 274,935.13

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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.