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Finding the Fourth Proportional to 303,424.66, 418,639.71 and 182,505.43

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Solution

The fourth proportional to 303,424.66, 418,639.71 and 182,505.43 is: 251,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,424.66 : 418,639.71 = 182,505.43 : x
  2. Step 2: Convert to fraction form
    303,424.66/418,639.71 = 182,505.43/x
  3. Step 3: Cross multiply
    303,424.66x = 418,639.71 × 182,505.43
  4. Step 4: Simplify right side
    303,424.66x = 76,404,019,242.03
  5. Step 5: Solve for x
    x = 76,404,019,242.03/303,424.66
  6. Step 6: Final answer
    x = 251,805.57

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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.