Finding the Fourth Proportional to 318,977.17, 440,252.24 and 183,102.97
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Solution
The fourth proportional to 318,977.17, 440,252.24 and 183,102.97 is: 252,718.69
Step by Step Solution
- Step 1: Write the proportion equation
318,977.17 : 440,252.24 = 183,102.97 : x - Step 2: Convert to fraction form
318,977.17/440,252.24 = 183,102.97/x - Step 3: Cross multiply
318,977.17x = 440,252.24 × 183,102.97 - Step 4: Simplify right side
318,977.17x = 80,611,492,693.15 - Step 5: Solve for x
x = 80,611,492,693.15/318,977.17 - Step 6: Final answer
x = 252,718.69
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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.