Finding the Fourth Proportional to 422,159.34, 582,580.15 and 228,568.74
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Solution
The fourth proportional to 422,159.34, 582,580.15 and 228,568.74 is: 315,424.99
Step by Step Solution
- Step 1: Write the proportion equation
422,159.34 : 582,580.15 = 228,568.74 : x - Step 2: Convert to fraction form
422,159.34/582,580.15 = 228,568.74/x - Step 3: Cross multiply
422,159.34x = 582,580.15 × 228,568.74 - Step 4: Simplify right side
422,159.34x = 133,159,608,078.41 - Step 5: Solve for x
x = 133,159,608,078.41/422,159.34 - Step 6: Final answer
x = 315,424.99
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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.