Finding the Fourth Proportional to 301,249.82, 415,739.84 and 172,194.95
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Solution
The fourth proportional to 301,249.82, 415,739.84 and 172,194.95 is: 237,637.65
Step by Step Solution
- Step 1: Write the proportion equation
301,249.82 : 415,739.84 = 172,194.95 : x - Step 2: Convert to fraction form
301,249.82/415,739.84 = 172,194.95/x - Step 3: Cross multiply
301,249.82x = 415,739.84 × 172,194.95 - Step 4: Simplify right side
301,249.82x = 71,588,298,022.13 - Step 5: Solve for x
x = 71,588,298,022.13/301,249.82 - Step 6: Final answer
x = 237,637.65
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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.