Finding the Fourth Proportional to 212,358.24, 318,734.19 and 107,251.02
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Solution
The fourth proportional to 212,358.24, 318,734.19 and 107,251.02 is: 160,975.94
Step by Step Solution
- Step 1: Write the proportion equation
212,358.24 : 318,734.19 = 107,251.02 : x - Step 2: Convert to fraction form
212,358.24/318,734.19 = 107,251.02/x - Step 3: Cross multiply
212,358.24x = 318,734.19 × 107,251.02 - Step 4: Simplify right side
212,358.24x = 34,184,566,986.37 - Step 5: Solve for x
x = 34,184,566,986.37/212,358.24 - Step 6: Final answer
x = 160,975.94
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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.