Finding the Fourth Proportional to 401,343.68, 553,879.15 and 222,495.68
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Solution
The fourth proportional to 401,343.68, 553,879.15 and 222,495.68 is: 307,057.82
Step by Step Solution
- Step 1: Write the proportion equation
401,343.68 : 553,879.15 = 222,495.68 : x - Step 2: Convert to fraction form
401,343.68/553,879.15 = 222,495.68/x - Step 3: Cross multiply
401,343.68x = 553,879.15 × 222,495.68 - Step 4: Simplify right side
401,343.68x = 123,235,715,347.68 - Step 5: Solve for x
x = 123,235,715,347.68/401,343.68 - Step 6: Final answer
x = 307,057.82
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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.