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Finding the Fourth Proportional to 291,201.49, 436,929.42 and 101,797.84

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Solution

The fourth proportional to 291,201.49, 436,929.42 and 101,797.84 is: 152,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,201.49 : 436,929.42 = 101,797.84 : x
  2. Step 2: Convert to fraction form
    291,201.49/436,929.42 = 101,797.84/x
  3. Step 3: Cross multiply
    291,201.49x = 436,929.42 × 101,797.84
  4. Step 4: Simplify right side
    291,201.49x = 44,478,469,003.81
  5. Step 5: Solve for x
    x = 44,478,469,003.81/291,201.49
  6. Step 6: Final answer
    x = 152,741.22

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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.