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Finding the Fourth Proportional to 354,150.66, 488,672.01 and 199,071.36

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Solution

The fourth proportional to 354,150.66, 488,672.01 and 199,071.36 is: 274,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,150.66 : 488,672.01 = 199,071.36 : x
  2. Step 2: Convert to fraction form
    354,150.66/488,672.01 = 199,071.36/x
  3. Step 3: Cross multiply
    354,150.66x = 488,672.01 × 199,071.36
  4. Step 4: Simplify right side
    354,150.66x = 97,280,601,624.63
  5. Step 5: Solve for x
    x = 97,280,601,624.63/354,150.66
  6. Step 6: Final answer
    x = 274,687.05

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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.