Finding the Fourth Proportional to 231,415.14, 347,260.66 and 103,321.48
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Solution
The fourth proportional to 231,415.14, 347,260.66 and 103,321.48 is: 155,043.82
Step by Step Solution
- Step 1: Write the proportion equation
231,415.14 : 347,260.66 = 103,321.48 : x - Step 2: Convert to fraction form
231,415.14/347,260.66 = 103,321.48/x - Step 3: Cross multiply
231,415.14x = 347,260.66 × 103,321.48 - Step 4: Simplify right side
231,415.14x = 35,879,486,386.18 - Step 5: Solve for x
x = 35,879,486,386.18/231,415.14 - Step 6: Final answer
x = 155,043.82
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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.