Finding the Fourth Proportional to 543,744.69, 815,625.24 and 188,769.99
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Solution
The fourth proportional to 543,744.69, 815,625.24 and 188,769.99 is: 283,157.83
Step by Step Solution
- Step 1: Write the proportion equation
543,744.69 : 815,625.24 = 188,769.99 : x - Step 2: Convert to fraction form
543,744.69/815,625.24 = 188,769.99/x - Step 3: Cross multiply
543,744.69x = 815,625.24 × 188,769.99 - Step 4: Simplify right side
543,744.69x = 153,965,563,848.50 - Step 5: Solve for x
x = 153,965,563,848.50/543,744.69 - Step 6: Final answer
x = 283,157.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.