Finding the Fourth Proportional to 212,084.44, 292,682.16 and 115,294.84
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Solution
The fourth proportional to 212,084.44, 292,682.16 and 115,294.84 is: 159,109.94
Step by Step Solution
- Step 1: Write the proportion equation
212,084.44 : 292,682.16 = 115,294.84 : x - Step 2: Convert to fraction form
212,084.44/292,682.16 = 115,294.84/x - Step 3: Cross multiply
212,084.44x = 292,682.16 × 115,294.84 - Step 4: Simplify right side
212,084.44x = 33,744,742,808.05 - Step 5: Solve for x
x = 33,744,742,808.05/212,084.44 - Step 6: Final answer
x = 159,109.94
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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.