Finding the Fourth Proportional to 438,193.26, 604,706.70 and 236,989.26
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Solution
The fourth proportional to 438,193.26, 604,706.70 and 236,989.26 is: 327,045.18
Step by Step Solution
- Step 1: Write the proportion equation
438,193.26 : 604,706.70 = 236,989.26 : x - Step 2: Convert to fraction form
438,193.26/604,706.70 = 236,989.26/x - Step 3: Cross multiply
438,193.26x = 604,706.70 × 236,989.26 - Step 4: Simplify right side
438,193.26x = 143,308,993,350.04 - Step 5: Solve for x
x = 143,308,993,350.04/438,193.26 - Step 6: Final answer
x = 327,045.18
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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.