Finding the Fourth Proportional to 156,267.05, 216,067.77 and 149,082.75
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Solution
The fourth proportional to 156,267.05, 216,067.77 and 149,082.75 is: 206,134.17
Step by Step Solution
- Step 1: Write the proportion equation
156,267.05 : 216,067.77 = 149,082.75 : x - Step 2: Convert to fraction form
156,267.05/216,067.77 = 149,082.75/x - Step 3: Cross multiply
156,267.05x = 216,067.77 × 149,082.75 - Step 4: Simplify right side
156,267.05x = 32,211,977,337.97 - Step 5: Solve for x
x = 32,211,977,337.97/156,267.05 - Step 6: Final answer
x = 206,134.17
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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.