Finding the Fourth Proportional to 638,336.96, 957,470.88 and 195,104.96
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Solution
The fourth proportional to 638,336.96, 957,470.88 and 195,104.96 is: 292,646.88
Step by Step Solution
- Step 1: Write the proportion equation
638,336.96 : 957,470.88 = 195,104.96 : x - Step 2: Convert to fraction form
638,336.96/957,470.88 = 195,104.96/x - Step 3: Cross multiply
638,336.96x = 957,470.88 × 195,104.96 - Step 4: Simplify right side
638,336.96x = 186,807,317,743.57 - Step 5: Solve for x
x = 186,807,317,743.57/638,336.96 - Step 6: Final answer
x = 292,646.88
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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.