Home / 275,007.44-379,533.48-154,146.80

Finding the Fourth Proportional to 275,007.44, 379,533.48 and 154,146.80

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Solution

The fourth proportional to 275,007.44, 379,533.48 and 154,146.80 is: 212,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,007.44 : 379,533.48 = 154,146.80 : x
  2. Step 2: Convert to fraction form
    275,007.44/379,533.48 = 154,146.80/x
  3. Step 3: Cross multiply
    275,007.44x = 379,533.48 × 154,146.80
  4. Step 4: Simplify right side
    275,007.44x = 58,503,871,434.86
  5. Step 5: Solve for x
    x = 58,503,871,434.86/275,007.44
  6. Step 6: Final answer
    x = 212,735.60

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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.