Finding the Fourth Proportional to 451,961.18, 623,704.71 and 248,015.48
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Solution
The fourth proportional to 451,961.18, 623,704.71 and 248,015.48 is: 342,260.42
Step by Step Solution
- Step 1: Write the proportion equation
451,961.18 : 623,704.71 = 248,015.48 : x - Step 2: Convert to fraction form
451,961.18/623,704.71 = 248,015.48/x - Step 3: Cross multiply
451,961.18x = 623,704.71 × 248,015.48 - Step 4: Simplify right side
451,961.18x = 154,688,423,028.91 - Step 5: Solve for x
x = 154,688,423,028.91/451,961.18 - Step 6: Final answer
x = 342,260.42
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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.