Finding the Fourth Proportional to 212,230.36, 318,348.04 and 84,177.87
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Solution
The fourth proportional to 212,230.36, 318,348.04 and 84,177.87 is: 126,267.80
Step by Step Solution
- Step 1: Write the proportion equation
212,230.36 : 318,348.04 = 84,177.87 : x - Step 2: Convert to fraction form
212,230.36/318,348.04 = 84,177.87/x - Step 3: Cross multiply
212,230.36x = 318,348.04 × 84,177.87 - Step 4: Simplify right side
212,230.36x = 26,797,859,925.87 - Step 5: Solve for x
x = 26,797,859,925.87/212,230.36 - Step 6: Final answer
x = 126,267.80
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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.