Finding the Fourth Proportional to 197,670.68, 272,514.40 and 125,037.44
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Solution
The fourth proportional to 197,670.68, 272,514.40 and 125,037.44 is: 172,380.16
Step by Step Solution
- Step 1: Write the proportion equation
197,670.68 : 272,514.40 = 125,037.44 : x - Step 2: Convert to fraction form
197,670.68/272,514.40 = 125,037.44/x - Step 3: Cross multiply
197,670.68x = 272,514.40 × 125,037.44 - Step 4: Simplify right side
197,670.68x = 34,074,502,939.14 - Step 5: Solve for x
x = 34,074,502,939.14/197,670.68 - Step 6: Final answer
x = 172,380.16
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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.