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Finding the Fourth Proportional to 169,047.36, 253,585.44 and 44,388

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Solution

The fourth proportional to 169,047.36, 253,585.44 and 44,388 is: 66,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,047.36 : 253,585.44 = 44,388 : x
  2. Step 2: Convert to fraction form
    169,047.36/253,585.44 = 44,388/x
  3. Step 3: Cross multiply
    169,047.36x = 253,585.44 × 44,388
  4. Step 4: Simplify right side
    169,047.36x = 11,256,150,510.72
  5. Step 5: Solve for x
    x = 11,256,150,510.72/169,047.36
  6. Step 6: Final answer
    x = 66,585.78

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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.