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Finding the Fourth Proportional to 308,873.99, 463,610.57 and 149,062.39

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Solution

The fourth proportional to 308,873.99, 463,610.57 and 149,062.39 is: 223,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,873.99 : 463,610.57 = 149,062.39 : x
  2. Step 2: Convert to fraction form
    308,873.99/463,610.57 = 149,062.39/x
  3. Step 3: Cross multiply
    308,873.99x = 463,610.57 × 149,062.39
  4. Step 4: Simplify right side
    308,873.99x = 69,106,899,966.12
  5. Step 5: Solve for x
    x = 69,106,899,966.12/308,873.99
  6. Step 6: Final answer
    x = 223,738.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.