Home / 303,845.28-419,034-253,026.24

Finding the Fourth Proportional to 303,845.28, 419,034 and 253,026.24

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Solution

The fourth proportional to 303,845.28, 419,034 and 253,026.24 is: 348,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,845.28 : 419,034 = 253,026.24 : x
  2. Step 2: Convert to fraction form
    303,845.28/419,034 = 253,026.24/x
  3. Step 3: Cross multiply
    303,845.28x = 419,034 × 253,026.24
  4. Step 4: Simplify right side
    303,845.28x = 106,026,597,452.16
  5. Step 5: Solve for x
    x = 106,026,597,452.16/303,845.28
  6. Step 6: Final answer
    x = 348,949.30

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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.