Finding the Fourth Proportional to 161,571.73, 242,357.73 and 77,312.02
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Solution
The fourth proportional to 161,571.73, 242,357.73 and 77,312.02 is: 115,968.09
Step by Step Solution
- Step 1: Write the proportion equation
161,571.73 : 242,357.73 = 77,312.02 : x - Step 2: Convert to fraction form
161,571.73/242,357.73 = 77,312.02/x - Step 3: Cross multiply
161,571.73x = 242,357.73 × 77,312.02 - Step 4: Simplify right side
161,571.73x = 18,737,165,668.91 - Step 5: Solve for x
x = 18,737,165,668.91/161,571.73 - Step 6: Final answer
x = 115,968.09
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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.