Home / 445,640.10-668,546.55-224,024.10

Finding the Fourth Proportional to 445,640.10, 668,546.55 and 224,024.10

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Solution

The fourth proportional to 445,640.10, 668,546.55 and 224,024.10 is: 336,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,640.10 : 668,546.55 = 224,024.10 : x
  2. Step 2: Convert to fraction form
    445,640.10/668,546.55 = 224,024.10/x
  3. Step 3: Cross multiply
    445,640.10x = 668,546.55 × 224,024.10
  4. Step 4: Simplify right side
    445,640.10x = 149,770,539,171.86
  5. Step 5: Solve for x
    x = 149,770,539,171.86/445,640.10
  6. Step 6: Final answer
    x = 336,079.58

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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.