Finding the Fourth Proportional to 380,674.93, 525,311.28 and 217,324.96
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Solution
The fourth proportional to 380,674.93, 525,311.28 and 217,324.96 is: 299,896.96
Step by Step Solution
- Step 1: Write the proportion equation
380,674.93 : 525,311.28 = 217,324.96 : x - Step 2: Convert to fraction form
380,674.93/525,311.28 = 217,324.96/x - Step 3: Cross multiply
380,674.93x = 525,311.28 × 217,324.96 - Step 4: Simplify right side
380,674.93x = 114,163,252,913.55 - Step 5: Solve for x
x = 114,163,252,913.55/380,674.93 - Step 6: Final answer
x = 299,896.96
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1.5x scale
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.