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Finding the Fourth Proportional to 273,477.02, 410,163.60 and 115,816.16

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Solution

The fourth proportional to 273,477.02, 410,163.60 and 115,816.16 is: 173,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,477.02 : 410,163.60 = 115,816.16 : x
  2. Step 2: Convert to fraction form
    273,477.02/410,163.60 = 115,816.16/x
  3. Step 3: Cross multiply
    273,477.02x = 410,163.60 × 115,816.16
  4. Step 4: Simplify right side
    273,477.02x = 47,503,573,123.78
  5. Step 5: Solve for x
    x = 47,503,573,123.78/273,477.02
  6. Step 6: Final answer
    x = 173,702.25

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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.