Finding the Fourth Proportional to 199,665.66, 299,415.33 and 81,256.62
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Solution
The fourth proportional to 199,665.66, 299,415.33 and 81,256.62 is: 121,851.09
Step by Step Solution
- Step 1: Write the proportion equation
199,665.66 : 299,415.33 = 81,256.62 : x - Step 2: Convert to fraction form
199,665.66/299,415.33 = 81,256.62/x - Step 3: Cross multiply
199,665.66x = 299,415.33 × 81,256.62 - Step 4: Simplify right side
199,665.66x = 24,329,477,691.98 - Step 5: Solve for x
x = 24,329,477,691.98/199,665.66 - Step 6: Final answer
x = 121,851.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.