Finding the Fourth Proportional to 318,142.14, 439,045.71 and 182,219.94
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Solution
The fourth proportional to 318,142.14, 439,045.71 and 182,219.94 is: 251,468.99
Step by Step Solution
- Step 1: Write the proportion equation
318,142.14 : 439,045.71 = 182,219.94 : x - Step 2: Convert to fraction form
318,142.14/439,045.71 = 182,219.94/x - Step 3: Cross multiply
318,142.14x = 439,045.71 × 182,219.94 - Step 4: Simplify right side
318,142.14x = 80,002,882,933.46 - Step 5: Solve for x
x = 80,002,882,933.46/318,142.14 - Step 6: Final answer
x = 251,468.99
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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.