Finding the Fourth Proportional to 343,587.60, 515,770.20 and 203,425.20
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Solution
The fourth proportional to 343,587.60, 515,770.20 and 203,425.20 is: 305,367.99
Step by Step Solution
- Step 1: Write the proportion equation
343,587.60 : 515,770.20 = 203,425.20 : x - Step 2: Convert to fraction form
343,587.60/515,770.20 = 203,425.20/x - Step 3: Cross multiply
343,587.60x = 515,770.20 × 203,425.20 - Step 4: Simplify right side
343,587.60x = 104,920,656,089.04 - Step 5: Solve for x
x = 104,920,656,089.04/343,587.60 - Step 6: Final answer
x = 305,367.99
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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.