Finding the Fourth Proportional to 215,741.36, 323,560.12 and 65,982.95
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Solution
The fourth proportional to 215,741.36, 323,560.12 and 65,982.95 is: 98,958.55
Step by Step Solution
- Step 1: Write the proportion equation
215,741.36 : 323,560.12 = 65,982.95 : x - Step 2: Convert to fraction form
215,741.36/323,560.12 = 65,982.95/x - Step 3: Cross multiply
215,741.36x = 323,560.12 × 65,982.95 - Step 4: Simplify right side
215,741.36x = 21,349,451,219.95 - Step 5: Solve for x
x = 21,349,451,219.95/215,741.36 - Step 6: Final answer
x = 98,958.55
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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.