Finding the Fourth Proportional to 343,654.18, 474,245.30 and 190,692.96
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Solution
The fourth proportional to 343,654.18, 474,245.30 and 190,692.96 is: 263,157.69
Step by Step Solution
- Step 1: Write the proportion equation
343,654.18 : 474,245.30 = 190,692.96 : x - Step 2: Convert to fraction form
343,654.18/474,245.30 = 190,692.96/x - Step 3: Cross multiply
343,654.18x = 474,245.30 × 190,692.96 - Step 4: Simplify right side
343,654.18x = 90,435,240,023.09 - Step 5: Solve for x
x = 90,435,240,023.09/343,654.18 - Step 6: Final answer
x = 263,157.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.