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Finding the Fourth Proportional to 501,053.32, 751,571.32 and 168,629.32

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Solution

The fourth proportional to 501,053.32, 751,571.32 and 168,629.32 is: 252,941.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,053.32 : 751,571.32 = 168,629.32 : x
  2. Step 2: Convert to fraction form
    501,053.32/751,571.32 = 168,629.32/x
  3. Step 3: Cross multiply
    501,053.32x = 751,571.32 × 168,629.32
  4. Step 4: Simplify right side
    501,053.32x = 126,736,960,623.10
  5. Step 5: Solve for x
    x = 126,736,960,623.10/501,053.32
  6. Step 6: Final answer
    x = 252,941.07

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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.