Finding the Fourth Proportional to 372,302.08, 513,761.84 and 202,536.88
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Solution
The fourth proportional to 372,302.08, 513,761.84 and 202,536.88 is: 279,492.72
Step by Step Solution
- Step 1: Write the proportion equation
372,302.08 : 513,761.84 = 202,536.88 : x - Step 2: Convert to fraction form
372,302.08/513,761.84 = 202,536.88/x - Step 3: Cross multiply
372,302.08x = 513,761.84 × 202,536.88 - Step 4: Simplify right side
372,302.08x = 104,055,720,136.66 - Step 5: Solve for x
x = 104,055,720,136.66/372,302.08 - Step 6: Final answer
x = 279,492.72
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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.