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Finding the Fourth Proportional to 271,038.16, 406,483.80 and 113,233.60

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Solution

The fourth proportional to 271,038.16, 406,483.80 and 113,233.60 is: 169,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,038.16 : 406,483.80 = 113,233.60 : x
  2. Step 2: Convert to fraction form
    271,038.16/406,483.80 = 113,233.60/x
  3. Step 3: Cross multiply
    271,038.16x = 406,483.80 × 113,233.60
  4. Step 4: Simplify right side
    271,038.16x = 46,027,624,015.68
  5. Step 5: Solve for x
    x = 46,027,624,015.68/271,038.16
  6. Step 6: Final answer
    x = 169,819.72

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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.