Finding the Fourth Proportional to 866,604.96, 1,299,903.81 and 235,516.98
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Solution
The fourth proportional to 866,604.96, 1,299,903.81 and 235,516.98 is: 353,274.48
Step by Step Solution
- Step 1: Write the proportion equation
866,604.96 : 1,299,903.81 = 235,516.98 : x - Step 2: Convert to fraction form
866,604.96/1,299,903.81 = 235,516.98/x - Step 3: Cross multiply
866,604.96x = 1,299,903.81 × 235,516.98 - Step 4: Simplify right side
866,604.96x = 306,149,419,621.69 - Step 5: Solve for x
x = 306,149,419,621.69/866,604.96 - Step 6: Final answer
x = 353,274.48
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1.5x scale
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.