Finding the Fourth Proportional to 403,858.68, 557,328.78 and 222,577.14
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Solution
The fourth proportional to 403,858.68, 557,328.78 and 222,577.14 is: 307,158.55
Step by Step Solution
- Step 1: Write the proportion equation
403,858.68 : 557,328.78 = 222,577.14 : x - Step 2: Convert to fraction form
403,858.68/557,328.78 = 222,577.14/x - Step 3: Cross multiply
403,858.68x = 557,328.78 × 222,577.14 - Step 4: Simplify right side
403,858.68x = 124,048,645,892.09 - Step 5: Solve for x
x = 124,048,645,892.09/403,858.68 - Step 6: Final answer
x = 307,158.55
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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.