Finding the Fourth Proportional to 363,791.49, 502,037.60 and 210,840.99
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Solution
The fourth proportional to 363,791.49, 502,037.60 and 210,840.99 is: 290,963.66
Step by Step Solution
- Step 1: Write the proportion equation
363,791.49 : 502,037.60 = 210,840.99 : x - Step 2: Convert to fraction form
363,791.49/502,037.60 = 210,840.99/x - Step 3: Cross multiply
363,791.49x = 502,037.60 × 210,840.99 - Step 4: Simplify right side
363,791.49x = 105,850,103,547.02 - Step 5: Solve for x
x = 105,850,103,547.02/363,791.49 - Step 6: Final answer
x = 290,963.66
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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.