Finding the Fourth Proportional to 404,035.68, 557,572.86 and 222,754.05
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Solution
The fourth proportional to 404,035.68, 557,572.86 and 222,754.05 is: 307,402.59
Step by Step Solution
- Step 1: Write the proportion equation
404,035.68 : 557,572.86 = 222,754.05 : x - Step 2: Convert to fraction form
404,035.68/557,572.86 = 222,754.05/x - Step 3: Cross multiply
404,035.68x = 557,572.86 × 222,754.05 - Step 4: Simplify right side
404,035.68x = 124,201,612,735.08 - Step 5: Solve for x
x = 124,201,612,735.08/404,035.68 - Step 6: Final answer
x = 307,402.59
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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.