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Finding the Fourth Proportional to 303,569.37, 419,297.72 and 227,428.97

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Solution

The fourth proportional to 303,569.37, 419,297.72 and 227,428.97 is: 314,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,569.37 : 419,297.72 = 227,428.97 : x
  2. Step 2: Convert to fraction form
    303,569.37/419,297.72 = 227,428.97/x
  3. Step 3: Cross multiply
    303,569.37x = 419,297.72 × 227,428.97
  4. Step 4: Simplify right side
    303,569.37x = 95,360,445,349.32
  5. Step 5: Solve for x
    x = 95,360,445,349.32/303,569.37
  6. Step 6: Final answer
    x = 314,130.66

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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.