Finding the Fourth Proportional to 422,382.10, 633,800.73 and 306,989.14
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Solution
The fourth proportional to 422,382.10, 633,800.73 and 306,989.14 is: 460,649.12
Step by Step Solution
- Step 1: Write the proportion equation
422,382.10 : 633,800.73 = 306,989.14 : x - Step 2: Convert to fraction form
422,382.10/633,800.73 = 306,989.14/x - Step 3: Cross multiply
422,382.10x = 633,800.73 × 306,989.14 - Step 4: Simplify right side
422,382.10x = 194,569,941,034.07 - Step 5: Solve for x
x = 194,569,941,034.07/422,382.10 - Step 6: Final answer
x = 460,649.12
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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.