Finding the Fourth Proportional to 448,054.99, 672,207.05 and 195,357.56
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Solution
The fourth proportional to 448,054.99, 672,207.05 and 195,357.56 is: 293,090.65
Step by Step Solution
- Step 1: Write the proportion equation
448,054.99 : 672,207.05 = 195,357.56 : x - Step 2: Convert to fraction form
448,054.99/672,207.05 = 195,357.56/x - Step 3: Cross multiply
448,054.99x = 672,207.05 × 195,357.56 - Step 4: Simplify right side
448,054.99x = 131,320,726,230.16 - Step 5: Solve for x
x = 131,320,726,230.16/448,054.99 - Step 6: Final answer
x = 293,090.65
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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.