Finding the Fourth Proportional to 545,803.80, 818,793.18 and 230,307.18
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Solution
The fourth proportional to 545,803.80, 818,793.18 and 230,307.18 is: 345,497.68
Step by Step Solution
- Step 1: Write the proportion equation
545,803.80 : 818,793.18 = 230,307.18 : x - Step 2: Convert to fraction form
545,803.80/818,793.18 = 230,307.18/x - Step 3: Cross multiply
545,803.80x = 818,793.18 × 230,307.18 - Step 4: Simplify right side
545,803.80x = 188,573,948,289.03 - Step 5: Solve for x
x = 188,573,948,289.03/545,803.80 - Step 6: Final answer
x = 345,497.68
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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.