Finding the Fourth Proportional to 438,096.20, 657,184.39 and 122,552.19
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Solution
The fourth proportional to 438,096.20, 657,184.39 and 122,552.19 is: 183,839.50
Step by Step Solution
- Step 1: Write the proportion equation
438,096.20 : 657,184.39 = 122,552.19 : x - Step 2: Convert to fraction form
438,096.20/657,184.39 = 122,552.19/x - Step 3: Cross multiply
438,096.20x = 657,184.39 × 122,552.19 - Step 4: Simplify right side
438,096.20x = 80,539,385,921.93 - Step 5: Solve for x
x = 80,539,385,921.93/438,096.20 - Step 6: Final answer
x = 183,839.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.