Finding the Fourth Proportional to 212,652.84, 318,968.66 and 79,523.31
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Solution
The fourth proportional to 212,652.84, 318,968.66 and 79,523.31 is: 119,281.00
Step by Step Solution
- Step 1: Write the proportion equation
212,652.84 : 318,968.66 = 79,523.31 : x - Step 2: Convert to fraction form
212,652.84/318,968.66 = 79,523.31/x - Step 3: Cross multiply
212,652.84x = 318,968.66 × 79,523.31 - Step 4: Simplify right side
212,652.84x = 25,365,442,633.23 - Step 5: Solve for x
x = 25,365,442,633.23/212,652.84 - Step 6: Final answer
x = 119,281.00
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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.