Finding the Fourth Proportional to 212,423.61, 318,856.84 and 94,177.99
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Solution
The fourth proportional to 212,423.61, 318,856.84 and 94,177.99 is: 141,365.15
Step by Step Solution
- Step 1: Write the proportion equation
212,423.61 : 318,856.84 = 94,177.99 : x - Step 2: Convert to fraction form
212,423.61/318,856.84 = 94,177.99/x - Step 3: Cross multiply
212,423.61x = 318,856.84 × 94,177.99 - Step 4: Simplify right side
212,423.61x = 30,029,296,288.95 - Step 5: Solve for x
x = 30,029,296,288.95/212,423.61 - Step 6: Final answer
x = 141,365.15
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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.