Finding the Fourth Proportional to 298,992.17, 448,671.38 and 119,163.87
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Solution
The fourth proportional to 298,992.17, 448,671.38 and 119,163.87 is: 178,818.79
Step by Step Solution
- Step 1: Write the proportion equation
298,992.17 : 448,671.38 = 119,163.87 : x - Step 2: Convert to fraction form
298,992.17/448,671.38 = 119,163.87/x - Step 3: Cross multiply
298,992.17x = 448,671.38 × 119,163.87 - Step 4: Simplify right side
298,992.17x = 53,465,418,369.31 - Step 5: Solve for x
x = 53,465,418,369.31/298,992.17 - Step 6: Final answer
x = 178,818.79
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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.