Home / 272,208.28-407,513.96-190,873.28

Finding the Fourth Proportional to 272,208.28, 407,513.96 and 190,873.28

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Solution

The fourth proportional to 272,208.28, 407,513.96 and 190,873.28 is: 285,750.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,208.28 : 407,513.96 = 190,873.28 : x
  2. Step 2: Convert to fraction form
    272,208.28/407,513.96 = 190,873.28/x
  3. Step 3: Cross multiply
    272,208.28x = 407,513.96 × 190,873.28
  4. Step 4: Simplify right side
    272,208.28x = 77,783,526,190.99
  5. Step 5: Solve for x
    x = 77,783,526,190.99/272,208.28
  6. Step 6: Final answer
    x = 285,750.04

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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.