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Finding the Fourth Proportional to 379,035.77, 522,880.60 and 225,966.12

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Solution

The fourth proportional to 379,035.77, 522,880.60 and 225,966.12 is: 311,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,035.77 : 522,880.60 = 225,966.12 : x
  2. Step 2: Convert to fraction form
    379,035.77/522,880.60 = 225,966.12/x
  3. Step 3: Cross multiply
    379,035.77x = 522,880.60 × 225,966.12
  4. Step 4: Simplify right side
    379,035.77x = 118,153,300,405.27
  5. Step 5: Solve for x
    x = 118,153,300,405.27/379,035.77
  6. Step 6: Final answer
    x = 311,720.71

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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.