Finding the Fourth Proportional to 527,951.68, 791,959.92 and 212,408.32
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Solution
The fourth proportional to 527,951.68, 791,959.92 and 212,408.32 is: 318,625.52
Step by Step Solution
- Step 1: Write the proportion equation
527,951.68 : 791,959.92 = 212,408.32 : x - Step 2: Convert to fraction form
527,951.68/791,959.92 = 212,408.32/x - Step 3: Cross multiply
527,951.68x = 791,959.92 × 212,408.32 - Step 4: Simplify right side
527,951.68x = 168,218,876,114.53 - Step 5: Solve for x
x = 168,218,876,114.53/527,951.68 - Step 6: Final answer
x = 318,625.52
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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.