Finding the Fourth Proportional to 676,632.18, 1,015,035.84 and 203,365.38
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Solution
The fourth proportional to 676,632.18, 1,015,035.84 and 203,365.38 is: 305,074.39
Step by Step Solution
- Step 1: Write the proportion equation
676,632.18 : 1,015,035.84 = 203,365.38 : x - Step 2: Convert to fraction form
676,632.18/1,015,035.84 = 203,365.38/x - Step 3: Cross multiply
676,632.18x = 1,015,035.84 × 203,365.38 - Step 4: Simplify right side
676,632.18x = 206,423,149,315.22 - Step 5: Solve for x
x = 206,423,149,315.22/676,632.18 - Step 6: Final answer
x = 305,074.39
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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.