Home / 439,627.10-659,440.65-203,431.10

Finding the Fourth Proportional to 439,627.10, 659,440.65 and 203,431.10

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Solution

The fourth proportional to 439,627.10, 659,440.65 and 203,431.10 is: 305,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,627.10 : 659,440.65 = 203,431.10 : x
  2. Step 2: Convert to fraction form
    439,627.10/659,440.65 = 203,431.10/x
  3. Step 3: Cross multiply
    439,627.10x = 659,440.65 × 203,431.10
  4. Step 4: Simplify right side
    439,627.10x = 134,150,736,814.22
  5. Step 5: Solve for x
    x = 134,150,736,814.22/439,627.10
  6. Step 6: Final answer
    x = 305,146.65

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Similar ratio
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1.5x scale

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.