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Finding the Fourth Proportional to 275,114.37, 379,653.02 and 154,255.29

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Solution

The fourth proportional to 275,114.37, 379,653.02 and 154,255.29 is: 212,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,114.37 : 379,653.02 = 154,255.29 : x
  2. Step 2: Convert to fraction form
    275,114.37/379,653.02 = 154,255.29/x
  3. Step 3: Cross multiply
    275,114.37x = 379,653.02 × 154,255.29
  4. Step 4: Simplify right side
    275,114.37x = 58,563,485,950.64
  5. Step 5: Solve for x
    x = 58,563,485,950.64/275,114.37
  6. Step 6: Final answer
    x = 212,869.60

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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.