Finding the Fourth Proportional to 845,072.25, 1,267,654.56 and 213,991.53
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Solution
The fourth proportional to 845,072.25, 1,267,654.56 and 213,991.53 is: 320,998.99
Step by Step Solution
- Step 1: Write the proportion equation
845,072.25 : 1,267,654.56 = 213,991.53 : x - Step 2: Convert to fraction form
845,072.25/1,267,654.56 = 213,991.53/x - Step 3: Cross multiply
845,072.25x = 1,267,654.56 × 213,991.53 - Step 4: Simplify right side
845,072.25x = 271,267,338,805.88 - Step 5: Solve for x
x = 271,267,338,805.88/845,072.25 - Step 6: Final answer
x = 320,998.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.