Home / 354,131.26-488,683.74-192,985.81

Finding the Fourth Proportional to 354,131.26, 488,683.74 and 192,985.81

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Solution

The fourth proportional to 354,131.26, 488,683.74 and 192,985.81 is: 266,310.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,131.26 : 488,683.74 = 192,985.81 : x
  2. Step 2: Convert to fraction form
    354,131.26/488,683.74 = 192,985.81/x
  3. Step 3: Cross multiply
    354,131.26x = 488,683.74 × 192,985.81
  4. Step 4: Simplify right side
    354,131.26x = 94,309,027,397.73
  5. Step 5: Solve for x
    x = 94,309,027,397.73/354,131.26
  6. Step 6: Final answer
    x = 266,310.94

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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.