Finding the Fourth Proportional to 369,081.10, 509,331.92 and 199,315.21
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Solution
The fourth proportional to 369,081.10, 509,331.92 and 199,315.21 is: 275,054.99
Step by Step Solution
- Step 1: Write the proportion equation
369,081.10 : 509,331.92 = 199,315.21 : x - Step 2: Convert to fraction form
369,081.10/509,331.92 = 199,315.21/x - Step 3: Cross multiply
369,081.10x = 509,331.92 × 199,315.21 - Step 4: Simplify right side
369,081.10x = 101,517,597,597.93 - Step 5: Solve for x
x = 101,517,597,597.93/369,081.10 - Step 6: Final answer
x = 275,054.99
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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.