Finding the Fourth Proportional to 211,268.26, 316,689.03 and 132,437.74
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Solution
The fourth proportional to 211,268.26, 316,689.03 and 132,437.74 is: 198,522.86
Step by Step Solution
- Step 1: Write the proportion equation
211,268.26 : 316,689.03 = 132,437.74 : x - Step 2: Convert to fraction form
211,268.26/316,689.03 = 132,437.74/x - Step 3: Cross multiply
211,268.26x = 316,689.03 × 132,437.74 - Step 4: Simplify right side
211,268.26x = 41,941,579,415.99 - Step 5: Solve for x
x = 41,941,579,415.99/211,268.26 - Step 6: Final answer
x = 198,522.86
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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.