Finding the Fourth Proportional to 540,935.10, 746,481.21 and 299,217.48
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Solution
The fourth proportional to 540,935.10, 746,481.21 and 299,217.48 is: 412,915.02
Step by Step Solution
- Step 1: Write the proportion equation
540,935.10 : 746,481.21 = 299,217.48 : x - Step 2: Convert to fraction form
540,935.10/746,481.21 = 299,217.48/x - Step 3: Cross multiply
540,935.10x = 746,481.21 × 299,217.48 - Step 4: Simplify right side
540,935.10x = 223,360,226,523.55 - Step 5: Solve for x
x = 223,360,226,523.55/540,935.10 - Step 6: Final answer
x = 412,915.02
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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.