Finding the Fourth Proportional to 169,435.19, 233,821.47 and 93,983.69
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Solution
The fourth proportional to 169,435.19, 233,821.47 and 93,983.69 is: 129,697.99
Step by Step Solution
- Step 1: Write the proportion equation
169,435.19 : 233,821.47 = 93,983.69 : x - Step 2: Convert to fraction form
169,435.19/233,821.47 = 93,983.69/x - Step 3: Cross multiply
169,435.19x = 233,821.47 × 93,983.69 - Step 4: Simplify right side
169,435.19x = 21,975,403,382.72 - Step 5: Solve for x
x = 21,975,403,382.72/169,435.19 - Step 6: Final answer
x = 129,697.99
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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.