Finding the Fourth Proportional to 557,853.14, 769,845.12 and 303,204.26
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Solution
The fourth proportional to 557,853.14, 769,845.12 and 303,204.26 is: 418,426.11
Step by Step Solution
- Step 1: Write the proportion equation
557,853.14 : 769,845.12 = 303,204.26 : x - Step 2: Convert to fraction form
557,853.14/769,845.12 = 303,204.26/x - Step 3: Cross multiply
557,853.14x = 769,845.12 × 303,204.26 - Step 4: Simplify right side
557,853.14x = 233,420,319,924.21 - Step 5: Solve for x
x = 233,420,319,924.21/557,853.14 - Step 6: Final answer
x = 418,426.11
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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.