Finding the Fourth Proportional to 462,963.36, 638,747.68 and 301,759.56
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Solution
The fourth proportional to 462,963.36, 638,747.68 and 301,759.56 is: 416,335.80
Step by Step Solution
- Step 1: Write the proportion equation
462,963.36 : 638,747.68 = 301,759.56 : x - Step 2: Convert to fraction form
462,963.36/638,747.68 = 301,759.56/x - Step 3: Cross multiply
462,963.36x = 638,747.68 × 301,759.56 - Step 4: Simplify right side
462,963.36x = 192,748,218,867.82 - Step 5: Solve for x
x = 192,748,218,867.82/462,963.36 - Step 6: Final answer
x = 416,335.80
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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.