Finding the Fourth Proportional to 318,793.35, 439,888.12 and 182,833.03
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Solution
The fourth proportional to 318,793.35, 439,888.12 and 182,833.03 is: 252,282.79
Step by Step Solution
- Step 1: Write the proportion equation
318,793.35 : 439,888.12 = 182,833.03 : x - Step 2: Convert to fraction form
318,793.35/439,888.12 = 182,833.03/x - Step 3: Cross multiply
318,793.35x = 439,888.12 × 182,833.03 - Step 4: Simplify right side
318,793.35x = 80,426,077,933.38 - Step 5: Solve for x
x = 80,426,077,933.38/318,793.35 - Step 6: Final answer
x = 252,282.79
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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.