Finding the Fourth Proportional to 414,211.91, 620,321.36 and 236,179.19
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Solution
The fourth proportional to 414,211.91, 620,321.36 and 236,179.19 is: 353,700.59
Step by Step Solution
- Step 1: Write the proportion equation
414,211.91 : 620,321.36 = 236,179.19 : x - Step 2: Convert to fraction form
414,211.91/620,321.36 = 236,179.19/x - Step 3: Cross multiply
414,211.91x = 620,321.36 × 236,179.19 - Step 4: Simplify right side
414,211.91x = 146,506,995,163.60 - Step 5: Solve for x
x = 146,506,995,163.60/414,211.91 - Step 6: Final answer
x = 353,700.59
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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.