Finding the Fourth Proportional to 476,495.75, 657,564.14 and 275,291.75
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Solution
The fourth proportional to 476,495.75, 657,564.14 and 275,291.75 is: 379,902.62
Step by Step Solution
- Step 1: Write the proportion equation
476,495.75 : 657,564.14 = 275,291.75 : x - Step 2: Convert to fraction form
476,495.75/657,564.14 = 275,291.75/x - Step 3: Cross multiply
476,495.75x = 657,564.14 × 275,291.75 - Step 4: Simplify right side
476,495.75x = 181,021,982,837.85 - Step 5: Solve for x
x = 181,021,982,837.85/476,495.75 - Step 6: Final answer
x = 379,902.62
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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.