Finding the Fourth Proportional to 456,957.71, 630,403.11 and 275,568.84
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Solution
The fourth proportional to 456,957.71, 630,403.11 and 275,568.84 is: 380,165.28
Step by Step Solution
- Step 1: Write the proportion equation
456,957.71 : 630,403.11 = 275,568.84 : x - Step 2: Convert to fraction form
456,957.71/630,403.11 = 275,568.84/x - Step 3: Cross multiply
456,957.71x = 630,403.11 × 275,568.84 - Step 4: Simplify right side
456,957.71x = 173,719,453,755.09 - Step 5: Solve for x
x = 173,719,453,755.09/456,957.71 - Step 6: Final answer
x = 380,165.28
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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.