Finding the Fourth Proportional to 317,006.84, 437,610.12 and 202,435.58
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Solution
The fourth proportional to 317,006.84, 437,610.12 and 202,435.58 is: 279,450.94
Step by Step Solution
- Step 1: Write the proportion equation
317,006.84 : 437,610.12 = 202,435.58 : x - Step 2: Convert to fraction form
317,006.84/437,610.12 = 202,435.58/x - Step 3: Cross multiply
317,006.84x = 437,610.12 × 202,435.58 - Step 4: Simplify right side
317,006.84x = 88,587,858,456.07 - Step 5: Solve for x
x = 88,587,858,456.07/317,006.84 - Step 6: Final answer
x = 279,450.94
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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.