Home / 272,928.09-409,335.75-73,201

Finding the Fourth Proportional to 272,928.09, 409,335.75 and 73,201

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Solution

The fourth proportional to 272,928.09, 409,335.75 and 73,201 is: 109,786.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,928.09 : 409,335.75 = 73,201 : x
  2. Step 2: Convert to fraction form
    272,928.09/409,335.75 = 73,201/x
  3. Step 3: Cross multiply
    272,928.09x = 409,335.75 × 73,201
  4. Step 4: Simplify right side
    272,928.09x = 29,963,786,235.75
  5. Step 5: Solve for x
    x = 29,963,786,235.75/272,928.09
  6. Step 6: Final answer
    x = 109,786.38

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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.