Finding the Fourth Proportional to 564,231.97, 778,654.45 and 309,583.09
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Solution
The fourth proportional to 564,231.97, 778,654.45 and 309,583.09 is: 427,232.53
Step by Step Solution
- Step 1: Write the proportion equation
564,231.97 : 778,654.45 = 309,583.09 : x - Step 2: Convert to fraction form
564,231.97/778,654.45 = 309,583.09/x - Step 3: Cross multiply
564,231.97x = 778,654.45 × 309,583.09 - Step 4: Simplify right side
564,231.97x = 241,058,250,673.25 - Step 5: Solve for x
x = 241,058,250,673.25/564,231.97 - Step 6: Final answer
x = 427,232.53
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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.