Finding the Fourth Proportional to 345,220.19, 476,403.94 and 202,007.73
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Solution
The fourth proportional to 345,220.19, 476,403.94 and 202,007.73 is: 278,770.71
Step by Step Solution
- Step 1: Write the proportion equation
345,220.19 : 476,403.94 = 202,007.73 : x - Step 2: Convert to fraction form
345,220.19/476,403.94 = 202,007.73/x - Step 3: Cross multiply
345,220.19x = 476,403.94 × 202,007.73 - Step 4: Simplify right side
345,220.19x = 96,237,278,482.46 - Step 5: Solve for x
x = 96,237,278,482.46/345,220.19 - Step 6: Final answer
x = 278,770.71
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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.