Home / 275,224.08-379,457.60-178,256.64

Finding the Fourth Proportional to 275,224.08, 379,457.60 and 178,256.64

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Solution

The fourth proportional to 275,224.08, 379,457.60 and 178,256.64 is: 245,766.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,224.08 : 379,457.60 = 178,256.64 : x
  2. Step 2: Convert to fraction form
    275,224.08/379,457.60 = 178,256.64/x
  3. Step 3: Cross multiply
    275,224.08x = 379,457.60 × 178,256.64
  4. Step 4: Simplify right side
    275,224.08x = 67,640,836,798.46
  5. Step 5: Solve for x
    x = 67,640,836,798.46/275,224.08
  6. Step 6: Final answer
    x = 245,766.42

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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.