Finding the Fourth Proportional to 207,936.70, 312,014.94 and 147,537.31
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Solution
The fourth proportional to 207,936.70, 312,014.94 and 147,537.31 is: 221,383.94
Step by Step Solution
- Step 1: Write the proportion equation
207,936.70 : 312,014.94 = 147,537.31 : x - Step 2: Convert to fraction form
207,936.70/312,014.94 = 147,537.31/x - Step 3: Cross multiply
207,936.70x = 312,014.94 × 147,537.31 - Step 4: Simplify right side
207,936.70x = 46,033,844,927.41 - Step 5: Solve for x
x = 46,033,844,927.41/207,936.70 - Step 6: Final answer
x = 221,383.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.