Finding the Fourth Proportional to 305,067.67, 457,416.73 and 136,556.53
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Solution
The fourth proportional to 305,067.67, 457,416.73 and 136,556.53 is: 204,752.08
Step by Step Solution
- Step 1: Write the proportion equation
305,067.67 : 457,416.73 = 136,556.53 : x - Step 2: Convert to fraction form
305,067.67/457,416.73 = 136,556.53/x - Step 3: Cross multiply
305,067.67x = 457,416.73 × 136,556.53 - Step 4: Simplify right side
305,067.67x = 62,463,241,412.75 - Step 5: Solve for x
x = 62,463,241,412.75/305,067.67 - Step 6: Final answer
x = 204,752.08
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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.