Finding the Fourth Proportional to 299,098.91, 448,733.12 and 121,733.21
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Solution
The fourth proportional to 299,098.91, 448,733.12 and 121,733.21 is: 182,634.31
Step by Step Solution
- Step 1: Write the proportion equation
299,098.91 : 448,733.12 = 121,733.21 : x - Step 2: Convert to fraction form
299,098.91/448,733.12 = 121,733.21/x - Step 3: Cross multiply
299,098.91x = 448,733.12 × 121,733.21 - Step 4: Simplify right side
299,098.91x = 54,625,723,644.08 - Step 5: Solve for x
x = 54,625,723,644.08/299,098.91 - Step 6: Final answer
x = 182,634.31
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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.