Finding the Fourth Proportional to 299,146.02, 448,717.80 and 121,651.53
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Solution
The fourth proportional to 299,146.02, 448,717.80 and 121,651.53 is: 182,476.79
Step by Step Solution
- Step 1: Write the proportion equation
299,146.02 : 448,717.80 = 121,651.53 : x - Step 2: Convert to fraction form
299,146.02/448,717.80 = 121,651.53/x - Step 3: Cross multiply
299,146.02x = 448,717.80 × 121,651.53 - Step 4: Simplify right side
299,146.02x = 54,587,206,908.23 - Step 5: Solve for x
x = 54,587,206,908.23/299,146.02 - Step 6: Final answer
x = 182,476.79
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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.