Finding the Fourth Proportional to 318,479.23, 439,519.94 and 182,555.29
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Solution
The fourth proportional to 318,479.23, 439,519.94 and 182,555.29 is: 251,936.96
Step by Step Solution
- Step 1: Write the proportion equation
318,479.23 : 439,519.94 = 182,555.29 : x - Step 2: Convert to fraction form
318,479.23/439,519.94 = 182,555.29/x - Step 3: Cross multiply
318,479.23x = 439,519.94 × 182,555.29 - Step 4: Simplify right side
318,479.23x = 80,236,690,107.48 - Step 5: Solve for x
x = 80,236,690,107.48/318,479.23 - Step 6: Final answer
x = 251,936.96
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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.