Finding the Fourth Proportional to 118,523.70, 177,699.15 and 48,366.90
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Solution
The fourth proportional to 118,523.70, 177,699.15 and 48,366.90 is: 72,515.09
Step by Step Solution
- Step 1: Write the proportion equation
118,523.70 : 177,699.15 = 48,366.90 : x - Step 2: Convert to fraction form
118,523.70/177,699.15 = 48,366.90/x - Step 3: Cross multiply
118,523.70x = 177,699.15 × 48,366.90 - Step 4: Simplify right side
118,523.70x = 8,594,757,018.14 - Step 5: Solve for x
x = 8,594,757,018.14/118,523.70 - Step 6: Final answer
x = 72,515.09
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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.