Finding the Fourth Proportional to 260,229.69, 390,344.67 and 73,241.19
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Solution
The fourth proportional to 260,229.69, 390,344.67 and 73,241.19 is: 109,861.82
Step by Step Solution
- Step 1: Write the proportion equation
260,229.69 : 390,344.67 = 73,241.19 : x - Step 2: Convert to fraction form
260,229.69/390,344.67 = 73,241.19/x - Step 3: Cross multiply
260,229.69x = 390,344.67 × 73,241.19 - Step 4: Simplify right side
260,229.69x = 28,589,308,140.96 - Step 5: Solve for x
x = 28,589,308,140.96/260,229.69 - Step 6: Final answer
x = 109,861.82
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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.