Finding the Fourth Proportional to 178,470.09, 267,571.98 and 107,376.07
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Solution
The fourth proportional to 178,470.09, 267,571.98 and 107,376.07 is: 160,983.99
Step by Step Solution
- Step 1: Write the proportion equation
178,470.09 : 267,571.98 = 107,376.07 : x - Step 2: Convert to fraction form
178,470.09/267,571.98 = 107,376.07/x - Step 3: Cross multiply
178,470.09x = 267,571.98 × 107,376.07 - Step 4: Simplify right side
178,470.09x = 28,730,826,432.74 - Step 5: Solve for x
x = 28,730,826,432.74/178,470.09 - Step 6: Final answer
x = 160,983.99
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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.