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Finding the Fourth Proportional to 253,245.08, 380,135.22 and 247,527.29

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Solution

The fourth proportional to 253,245.08, 380,135.22 and 247,527.29 is: 371,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,245.08 : 380,135.22 = 247,527.29 : x
  2. Step 2: Convert to fraction form
    253,245.08/380,135.22 = 247,527.29/x
  3. Step 3: Cross multiply
    253,245.08x = 380,135.22 × 247,527.29
  4. Step 4: Simplify right side
    253,245.08x = 94,093,839,271.00
  5. Step 5: Solve for x
    x = 94,093,839,271.00/253,245.08
  6. Step 6: Final answer
    x = 371,552.49

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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.