Finding the Fourth Proportional to 212,116.14, 318,174.30 and 62,356.44
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Solution
The fourth proportional to 212,116.14, 318,174.30 and 62,356.44 is: 93,534.69
Step by Step Solution
- Step 1: Write the proportion equation
212,116.14 : 318,174.30 = 62,356.44 : x - Step 2: Convert to fraction form
212,116.14/318,174.30 = 62,356.44/x - Step 3: Cross multiply
212,116.14x = 318,174.30 × 62,356.44 - Step 4: Simplify right side
212,116.14x = 19,840,216,647.49 - Step 5: Solve for x
x = 19,840,216,647.49/212,116.14 - Step 6: Final answer
x = 93,534.69
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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.