Finding the Fourth Proportional to 318,901.23, 440,102.61 and 182,934.18
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Solution
The fourth proportional to 318,901.23, 440,102.61 and 182,934.18 is: 252,460.02
Step by Step Solution
- Step 1: Write the proportion equation
318,901.23 : 440,102.61 = 182,934.18 : x - Step 2: Convert to fraction form
318,901.23/440,102.61 = 182,934.18/x - Step 3: Cross multiply
318,901.23x = 440,102.61 × 182,934.18 - Step 4: Simplify right side
318,901.23x = 80,509,810,076.21 - Step 5: Solve for x
x = 80,509,810,076.21/318,901.23 - Step 6: Final answer
x = 252,460.02
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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.