Finding the Fourth Proportional to 414,756.56, 621,138.24 and 236,723.84
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Solution
The fourth proportional to 414,756.56, 621,138.24 and 236,723.84 is: 354,516.95
Step by Step Solution
- Step 1: Write the proportion equation
414,756.56 : 621,138.24 = 236,723.84 : x - Step 2: Convert to fraction form
414,756.56/621,138.24 = 236,723.84/x - Step 3: Cross multiply
414,756.56x = 621,138.24 × 236,723.84 - Step 4: Simplify right side
414,756.56x = 147,038,229,343.64 - Step 5: Solve for x
x = 147,038,229,343.64/414,756.56 - Step 6: Final answer
x = 354,516.95
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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.