Finding the Fourth Proportional to 438,192.75, 604,706.00 and 236,988.75
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Solution
The fourth proportional to 438,192.75, 604,706.00 and 236,988.75 is: 327,044.48
Step by Step Solution
- Step 1: Write the proportion equation
438,192.75 : 604,706.00 = 236,988.75 : x - Step 2: Convert to fraction form
438,192.75/604,706.00 = 236,988.75/x - Step 3: Cross multiply
438,192.75x = 604,706.00 × 236,988.75 - Step 4: Simplify right side
438,192.75x = 143,308,517,872.56 - Step 5: Solve for x
x = 143,308,517,872.56/438,192.75 - Step 6: Final answer
x = 327,044.48
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Double scale
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1.5x scale
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.