Finding the Fourth Proportional to 369,526.10, 509,943.92 and 208,382.49
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Solution
The fourth proportional to 369,526.10, 509,943.92 and 208,382.49 is: 287,566.65
Step by Step Solution
- Step 1: Write the proportion equation
369,526.10 : 509,943.92 = 208,382.49 : x - Step 2: Convert to fraction form
369,526.10/509,943.92 = 208,382.49/x - Step 3: Cross multiply
369,526.10x = 509,943.92 × 208,382.49 - Step 4: Simplify right side
369,526.10x = 106,263,382,768.05 - Step 5: Solve for x
x = 106,263,382,768.05/369,526.10 - Step 6: Final answer
x = 287,566.65
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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.