Finding the Fourth Proportional to 212,422.61, 318,855.34 and 94,176.99
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Solution
The fourth proportional to 212,422.61, 318,855.34 and 94,176.99 is: 141,363.65
Step by Step Solution
- Step 1: Write the proportion equation
212,422.61 : 318,855.34 = 94,176.99 : x - Step 2: Convert to fraction form
212,422.61/318,855.34 = 94,176.99/x - Step 3: Cross multiply
212,422.61x = 318,855.34 × 94,176.99 - Step 4: Simplify right side
212,422.61x = 30,028,836,166.63 - Step 5: Solve for x
x = 30,028,836,166.63/212,422.61 - Step 6: Final answer
x = 141,363.65
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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.