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Finding the Fourth Proportional to 295,099.90, 442,863.08 and 117,504.56

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Solution

The fourth proportional to 295,099.90, 442,863.08 and 117,504.56 is: 176,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,099.90 : 442,863.08 = 117,504.56 : x
  2. Step 2: Convert to fraction form
    295,099.90/442,863.08 = 117,504.56/x
  3. Step 3: Cross multiply
    295,099.90x = 442,863.08 × 117,504.56
  4. Step 4: Simplify right side
    295,099.90x = 52,038,431,355.64
  5. Step 5: Solve for x
    x = 52,038,431,355.64/295,099.90
  6. Step 6: Final answer
    x = 176,341.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.