Home / 272,204.40-407,869.20-201,345.60

Finding the Fourth Proportional to 272,204.40, 407,869.20 and 201,345.60

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Solution

The fourth proportional to 272,204.40, 407,869.20 and 201,345.60 is: 301,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,204.40 : 407,869.20 = 201,345.60 : x
  2. Step 2: Convert to fraction form
    272,204.40/407,869.20 = 201,345.60/x
  3. Step 3: Cross multiply
    272,204.40x = 407,869.20 × 201,345.60
  4. Step 4: Simplify right side
    272,204.40x = 82,122,668,795.52
  5. Step 5: Solve for x
    x = 82,122,668,795.52/272,204.40
  6. Step 6: Final answer
    x = 301,694.86

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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.