Finding the Fourth Proportional to 331,348.10, 496,633.35 and 141,808.10
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Solution
The fourth proportional to 331,348.10, 496,633.35 and 141,808.10 is: 212,545.75
Step by Step Solution
- Step 1: Write the proportion equation
331,348.10 : 496,633.35 = 141,808.10 : x - Step 2: Convert to fraction form
331,348.10/496,633.35 = 141,808.10/x - Step 3: Cross multiply
331,348.10x = 496,633.35 × 141,808.10 - Step 4: Simplify right side
331,348.10x = 70,426,631,760.14 - Step 5: Solve for x
x = 70,426,631,760.14/331,348.10 - Step 6: Final answer
x = 212,545.75
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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.