Finding the Fourth Proportional to 317,083.14, 437,602.23 and 173,871.09
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Solution
The fourth proportional to 317,083.14, 437,602.23 and 173,871.09 is: 239,957.18
Step by Step Solution
- Step 1: Write the proportion equation
317,083.14 : 437,602.23 = 173,871.09 : x - Step 2: Convert to fraction form
317,083.14/437,602.23 = 173,871.09/x - Step 3: Cross multiply
317,083.14x = 437,602.23 × 173,871.09 - Step 4: Simplify right side
317,083.14x = 76,086,376,716.53 - Step 5: Solve for x
x = 76,086,376,716.53/317,083.14 - Step 6: Final answer
x = 239,957.18
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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.