Finding the Fourth Proportional to 557,817.99, 769,788.91 and 303,169.18
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Solution
The fourth proportional to 557,817.99, 769,788.91 and 303,169.18 is: 418,373.51
Step by Step Solution
- Step 1: Write the proportion equation
557,817.99 : 769,788.91 = 303,169.18 : x - Step 2: Convert to fraction form
557,817.99/769,788.91 = 303,169.18/x - Step 3: Cross multiply
557,817.99x = 769,788.91 × 303,169.18 - Step 4: Simplify right side
557,817.99x = 233,376,269,935.40 - Step 5: Solve for x
x = 233,376,269,935.40/557,817.99 - Step 6: Final answer
x = 418,373.51
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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.