Finding the Fourth Proportional to 372,153.36, 513,566.82 and 202,383.84
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Solution
The fourth proportional to 372,153.36, 513,566.82 and 202,383.84 is: 279,287.08
Step by Step Solution
- Step 1: Write the proportion equation
372,153.36 : 513,566.82 = 202,383.84 : x - Step 2: Convert to fraction form
372,153.36/513,566.82 = 202,383.84/x - Step 3: Cross multiply
372,153.36x = 513,566.82 × 202,383.84 - Step 4: Simplify right side
372,153.36x = 103,937,625,128.19 - Step 5: Solve for x
x = 103,937,625,128.19/372,153.36 - Step 6: Final answer
x = 279,287.08
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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.