Finding the Fourth Proportional to 118,621.76, 177,924.96 and 44,747.84
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Solution
The fourth proportional to 118,621.76, 177,924.96 and 44,747.84 is: 67,118.86
Step by Step Solution
- Step 1: Write the proportion equation
118,621.76 : 177,924.96 = 44,747.84 : x - Step 2: Convert to fraction form
118,621.76/177,924.96 = 44,747.84/x - Step 3: Cross multiply
118,621.76x = 177,924.96 × 44,747.84 - Step 4: Simplify right side
118,621.76x = 7,961,757,642.09 - Step 5: Solve for x
x = 7,961,757,642.09/118,621.76 - Step 6: Final answer
x = 67,118.86
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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.