Finding the Fourth Proportional to 212,791.08, 293,638.50 and 117,292.84
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Solution
The fourth proportional to 212,791.08, 293,638.50 and 117,292.84 is: 161,856.85
Step by Step Solution
- Step 1: Write the proportion equation
212,791.08 : 293,638.50 = 117,292.84 : x - Step 2: Convert to fraction form
212,791.08/293,638.50 = 117,292.84/x - Step 3: Cross multiply
212,791.08x = 293,638.50 × 117,292.84 - Step 4: Simplify right side
212,791.08x = 34,441,693,598.34 - Step 5: Solve for x
x = 34,441,693,598.34/212,791.08 - Step 6: Final answer
x = 161,856.85
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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.