Finding the Fourth Proportional to 299,039.42, 448,447.34 and 121,486.62
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Solution
The fourth proportional to 299,039.42, 448,447.34 and 121,486.62 is: 182,184.51
Step by Step Solution
- Step 1: Write the proportion equation
299,039.42 : 448,447.34 = 121,486.62 : x - Step 2: Convert to fraction form
299,039.42/448,447.34 = 121,486.62/x - Step 3: Cross multiply
299,039.42x = 448,447.34 × 121,486.62 - Step 4: Simplify right side
299,039.42x = 54,480,351,584.59 - Step 5: Solve for x
x = 54,480,351,584.59/299,039.42 - Step 6: Final answer
x = 182,184.51
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1.5x scale
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.