Finding the Fourth Proportional to 462,995.39, 638,958.38 and 259,034.09
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Solution
The fourth proportional to 462,995.39, 638,958.38 and 259,034.09 is: 357,480.89
Step by Step Solution
- Step 1: Write the proportion equation
462,995.39 : 638,958.38 = 259,034.09 : x - Step 2: Convert to fraction form
462,995.39/638,958.38 = 259,034.09/x - Step 3: Cross multiply
462,995.39x = 638,958.38 × 259,034.09 - Step 4: Simplify right side
462,995.39x = 165,512,002,813.40 - Step 5: Solve for x
x = 165,512,002,813.40/462,995.39 - Step 6: Final answer
x = 357,480.89
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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.