Home / 274,862.88-379,325.52-153,997.12

Finding the Fourth Proportional to 274,862.88, 379,325.52 and 153,997.12

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Solution

The fourth proportional to 274,862.88, 379,325.52 and 153,997.12 is: 212,524.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,862.88 : 379,325.52 = 153,997.12 : x
  2. Step 2: Convert to fraction form
    274,862.88/379,325.52 = 153,997.12/x
  3. Step 3: Cross multiply
    274,862.88x = 379,325.52 × 153,997.12
  4. Step 4: Simplify right side
    274,862.88x = 58,415,037,622.50
  5. Step 5: Solve for x
    x = 58,415,037,622.50/274,862.88
  6. Step 6: Final answer
    x = 212,524.29

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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.