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Finding the Fourth Proportional to 183,284.20, 274,840.02 and 71,017

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Solution

The fourth proportional to 183,284.20, 274,840.02 and 71,017 is: 106,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,284.20 : 274,840.02 = 71,017 : x
  2. Step 2: Convert to fraction form
    183,284.20/274,840.02 = 71,017/x
  3. Step 3: Cross multiply
    183,284.20x = 274,840.02 × 71,017
  4. Step 4: Simplify right side
    183,284.20x = 19,518,313,700.34
  5. Step 5: Solve for x
    x = 19,518,313,700.34/183,284.20
  6. Step 6: Final answer
    x = 106,492.07

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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.