Finding the Fourth Proportional to 372,296.92, 513,767.30 and 202,531.72
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Solution
The fourth proportional to 372,296.92, 513,767.30 and 202,531.72 is: 279,492.44
Step by Step Solution
- Step 1: Write the proportion equation
372,296.92 : 513,767.30 = 202,531.72 : x - Step 2: Convert to fraction form
372,296.92/513,767.30 = 202,531.72/x - Step 3: Cross multiply
372,296.92x = 513,767.30 × 202,531.72 - Step 4: Simplify right side
372,296.92x = 104,054,174,948.76 - Step 5: Solve for x
x = 104,054,174,948.76/372,296.92 - Step 6: Final answer
x = 279,492.44
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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.