Home / 354,066.48-488,611.81-192,921.55

Finding the Fourth Proportional to 354,066.48, 488,611.81 and 192,921.55

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Solution

The fourth proportional to 354,066.48, 488,611.81 and 192,921.55 is: 266,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,066.48 : 488,611.81 = 192,921.55 : x
  2. Step 2: Convert to fraction form
    354,066.48/488,611.81 = 192,921.55/x
  3. Step 3: Cross multiply
    354,066.48x = 488,611.81 × 192,921.55
  4. Step 4: Simplify right side
    354,066.48x = 94,263,747,733.51
  5. Step 5: Solve for x
    x = 94,263,747,733.51/354,066.48
  6. Step 6: Final answer
    x = 266,231.78

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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.