Finding the Fourth Proportional to 215,082.10, 296,811.49 and 119,587.96
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Solution
The fourth proportional to 215,082.10, 296,811.49 and 119,587.96 is: 165,030.38
Step by Step Solution
- Step 1: Write the proportion equation
215,082.10 : 296,811.49 = 119,587.96 : x - Step 2: Convert to fraction form
215,082.10/296,811.49 = 119,587.96/x - Step 3: Cross multiply
215,082.10x = 296,811.49 × 119,587.96 - Step 4: Simplify right side
215,082.10x = 35,495,079,109.60 - Step 5: Solve for x
x = 35,495,079,109.60/215,082.10 - Step 6: Final answer
x = 165,030.38
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1.5x scale
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.