Finding the Fourth Proportional to 676,737.12, 1,015,106.44 and 203,422.46
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Solution
The fourth proportional to 676,737.12, 1,015,106.44 and 203,422.46 is: 305,133.92
Step by Step Solution
- Step 1: Write the proportion equation
676,737.12 : 1,015,106.44 = 203,422.46 : x - Step 2: Convert to fraction form
676,737.12/1,015,106.44 = 203,422.46/x - Step 3: Cross multiply
676,737.12x = 1,015,106.44 × 203,422.46 - Step 4: Simplify right side
676,737.12x = 206,495,449,186.64 - Step 5: Solve for x
x = 206,495,449,186.64/676,737.12 - Step 6: Final answer
x = 305,133.92
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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.