Finding the Fourth Proportional to 137,514.68, 206,272.18 and 37,675.74
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Solution
The fourth proportional to 137,514.68, 206,272.18 and 37,675.74 is: 56,513.65
Step by Step Solution
- Step 1: Write the proportion equation
137,514.68 : 206,272.18 = 37,675.74 : x - Step 2: Convert to fraction form
137,514.68/206,272.18 = 37,675.74/x - Step 3: Cross multiply
137,514.68x = 206,272.18 × 37,675.74 - Step 4: Simplify right side
137,514.68x = 7,771,457,022.91 - Step 5: Solve for x
x = 7,771,457,022.91/137,514.68 - Step 6: Final answer
x = 56,513.65
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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.