Finding the Fourth Proportional to 331,390.91, 457,307.48 and 202,545.02
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Solution
The fourth proportional to 331,390.91, 457,307.48 and 202,545.02 is: 279,504.80
Step by Step Solution
- Step 1: Write the proportion equation
331,390.91 : 457,307.48 = 202,545.02 : x - Step 2: Convert to fraction form
331,390.91/457,307.48 = 202,545.02/x - Step 3: Cross multiply
331,390.91x = 457,307.48 × 202,545.02 - Step 4: Simplify right side
331,390.91x = 92,625,349,383.49 - Step 5: Solve for x
x = 92,625,349,383.49/331,390.91 - Step 6: Final answer
x = 279,504.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.