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Finding the Fourth Proportional to 367,481.21, 507,111.23 and 224,480.57

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Solution

The fourth proportional to 367,481.21, 507,111.23 and 224,480.57 is: 309,775.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,481.21 : 507,111.23 = 224,480.57 : x
  2. Step 2: Convert to fraction form
    367,481.21/507,111.23 = 224,480.57/x
  3. Step 3: Cross multiply
    367,481.21x = 507,111.23 × 224,480.57
  4. Step 4: Simplify right side
    367,481.21x = 113,836,615,989.45
  5. Step 5: Solve for x
    x = 113,836,615,989.45/367,481.21
  6. Step 6: Final answer
    x = 309,775.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.