Finding the Fourth Proportional to 243,767.63, 336,381.99 and 223,690.97
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Solution
The fourth proportional to 243,767.63, 336,381.99 and 223,690.97 is: 308,677.63
Step by Step Solution
- Step 1: Write the proportion equation
243,767.63 : 336,381.99 = 223,690.97 : x - Step 2: Convert to fraction form
243,767.63/336,381.99 = 223,690.97/x - Step 3: Cross multiply
243,767.63x = 336,381.99 × 223,690.97 - Step 4: Simplify right side
243,767.63x = 75,245,613,633.63 - Step 5: Solve for x
x = 75,245,613,633.63/243,767.63 - Step 6: Final answer
x = 308,677.63
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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.