Home / 275,337.32-380,189.58-224,357.72

Finding the Fourth Proportional to 275,337.32, 380,189.58 and 224,357.72

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Solution

The fourth proportional to 275,337.32, 380,189.58 and 224,357.72 is: 309,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,337.32 : 380,189.58 = 224,357.72 : x
  2. Step 2: Convert to fraction form
    275,337.32/380,189.58 = 224,357.72/x
  3. Step 3: Cross multiply
    275,337.32x = 380,189.58 × 224,357.72
  4. Step 4: Simplify right side
    275,337.32x = 85,298,467,336.56
  5. Step 5: Solve for x
    x = 85,298,467,336.56/275,337.32
  6. Step 6: Final answer
    x = 309,796.24

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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.