Finding the Fourth Proportional to 215,364.42, 297,212.67 and 119,877.21
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Solution
The fourth proportional to 215,364.42, 297,212.67 and 119,877.21 is: 165,435.99
Step by Step Solution
- Step 1: Write the proportion equation
215,364.42 : 297,212.67 = 119,877.21 : x - Step 2: Convert to fraction form
215,364.42/297,212.67 = 119,877.21/x - Step 3: Cross multiply
215,364.42x = 297,212.67 × 119,877.21 - Step 4: Simplify right side
215,364.42x = 35,629,025,656.25 - Step 5: Solve for x
x = 35,629,025,656.25/215,364.42 - Step 6: Final answer
x = 165,435.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.