Finding the Fourth Proportional to 212,351.16, 318,379.11 and 93,957.91
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Solution
The fourth proportional to 212,351.16, 318,379.11 and 93,957.91 is: 140,871.54
Step by Step Solution
- Step 1: Write the proportion equation
212,351.16 : 318,379.11 = 93,957.91 : x - Step 2: Convert to fraction form
212,351.16/318,379.11 = 93,957.91/x - Step 3: Cross multiply
212,351.16x = 318,379.11 × 93,957.91 - Step 4: Simplify right side
212,351.16x = 29,914,235,763.26 - Step 5: Solve for x
x = 29,914,235,763.26/212,351.16 - Step 6: Final answer
x = 140,871.54
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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.