Finding the Fourth Proportional to 343,873.40, 515,810.10 and 203,559.80
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Solution
The fourth proportional to 343,873.40, 515,810.10 and 203,559.80 is: 305,339.70
Step by Step Solution
- Step 1: Write the proportion equation
343,873.40 : 515,810.10 = 203,559.80 : x - Step 2: Convert to fraction form
343,873.40/515,810.10 = 203,559.80/x - Step 3: Cross multiply
343,873.40x = 515,810.10 × 203,559.80 - Step 4: Simplify right side
343,873.40x = 104,998,200,793.98 - Step 5: Solve for x
x = 104,998,200,793.98/343,873.40 - Step 6: Final answer
x = 305,339.70
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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.