Finding the Fourth Proportional to 212,534.91, 318,876.17 and 94,289.28
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Solution
The fourth proportional to 212,534.91, 318,876.17 and 94,289.28 is: 141,466.66
Step by Step Solution
- Step 1: Write the proportion equation
212,534.91 : 318,876.17 = 94,289.28 : x - Step 2: Convert to fraction form
212,534.91/318,876.17 = 94,289.28/x - Step 3: Cross multiply
212,534.91x = 318,876.17 × 94,289.28 - Step 4: Simplify right side
212,534.91x = 30,066,604,007.01 - Step 5: Solve for x
x = 30,066,604,007.01/212,534.91 - Step 6: Final answer
x = 141,466.66
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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.