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Finding the Fourth Proportional to 116,242, 174,363 and 28,690

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Solution

The fourth proportional to 116,242, 174,363 and 28,690 is: 43,035

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,242 : 174,363 = 28,690 : x
  2. Step 2: Convert to fraction form
    116,242/174,363 = 28,690/x
  3. Step 3: Cross multiply
    116,242x = 174,363 × 28,690
  4. Step 4: Simplify right side
    116,242x = 5,002,474,470
  5. Step 5: Solve for x
    x = 5,002,474,470/116,242
  6. Step 6: Final answer
    x = 43,035

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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.