Finding the Fourth Proportional to 215,449.42, 297,329.40 and 119,956.09
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Solution
The fourth proportional to 215,449.42, 297,329.40 and 119,956.09 is: 165,544.53
Step by Step Solution
- Step 1: Write the proportion equation
215,449.42 : 297,329.40 = 119,956.09 : x - Step 2: Convert to fraction form
215,449.42/297,329.40 = 119,956.09/x - Step 3: Cross multiply
215,449.42x = 297,329.40 × 119,956.09 - Step 4: Simplify right side
215,449.42x = 35,666,472,266.05 - Step 5: Solve for x
x = 35,666,472,266.05/215,449.42 - Step 6: Final answer
x = 165,544.53
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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.