Home / 272,221.43-407,533.69-190,886.46

Finding the Fourth Proportional to 272,221.43, 407,533.69 and 190,886.46

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Solution

The fourth proportional to 272,221.43, 407,533.69 and 190,886.46 is: 285,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,221.43 : 407,533.69 = 190,886.46 : x
  2. Step 2: Convert to fraction form
    272,221.43/407,533.69 = 190,886.46/x
  3. Step 3: Cross multiply
    272,221.43x = 407,533.69 × 190,886.46
  4. Step 4: Simplify right side
    272,221.43x = 77,792,665,181.70
  5. Step 5: Solve for x
    x = 77,792,665,181.70/272,221.43
  6. Step 6: Final answer
    x = 285,769.80

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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.