Finding the Fourth Proportional to 211,745.10, 292,207.02 and 114,950.92
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Solution
The fourth proportional to 211,745.10, 292,207.02 and 114,950.92 is: 158,631.61
Step by Step Solution
- Step 1: Write the proportion equation
211,745.10 : 292,207.02 = 114,950.92 : x - Step 2: Convert to fraction form
211,745.10/292,207.02 = 114,950.92/x - Step 3: Cross multiply
211,745.10x = 292,207.02 × 114,950.92 - Step 4: Simplify right side
211,745.10x = 33,589,465,779.46 - Step 5: Solve for x
x = 33,589,465,779.46/211,745.10 - Step 6: Final answer
x = 158,631.61
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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.