Finding the Fourth Proportional to 318,833.12, 439,975.50 and 182,769.53
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Solution
The fourth proportional to 318,833.12, 439,975.50 and 182,769.53 is: 252,213.81
Step by Step Solution
- Step 1: Write the proportion equation
318,833.12 : 439,975.50 = 182,769.53 : x - Step 2: Convert to fraction form
318,833.12/439,975.50 = 182,769.53/x - Step 3: Cross multiply
318,833.12x = 439,975.50 × 182,769.53 - Step 4: Simplify right side
318,833.12x = 80,414,113,146.64 - Step 5: Solve for x
x = 80,414,113,146.64/318,833.12 - Step 6: Final answer
x = 252,213.81
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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.