Finding the Fourth Proportional to 212,442.24, 318,860.28 and 107,335.08
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Solution
The fourth proportional to 212,442.24, 318,860.28 and 107,335.08 is: 161,102.11
Step by Step Solution
- Step 1: Write the proportion equation
212,442.24 : 318,860.28 = 107,335.08 : x - Step 2: Convert to fraction form
212,442.24/318,860.28 = 107,335.08/x - Step 3: Cross multiply
212,442.24x = 318,860.28 × 107,335.08 - Step 4: Simplify right side
212,442.24x = 34,224,893,662.62 - Step 5: Solve for x
x = 34,224,893,662.62/212,442.24 - Step 6: Final answer
x = 161,102.11
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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.