Finding the Fourth Proportional to 118,612.69, 177,928.13 and 34,373.99
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Solution
The fourth proportional to 118,612.69, 177,928.13 and 34,373.99 is: 51,563.63
Step by Step Solution
- Step 1: Write the proportion equation
118,612.69 : 177,928.13 = 34,373.99 : x - Step 2: Convert to fraction form
118,612.69/177,928.13 = 34,373.99/x - Step 3: Cross multiply
118,612.69x = 177,928.13 × 34,373.99 - Step 4: Simplify right side
118,612.69x = 6,116,100,292.09 - Step 5: Solve for x
x = 6,116,100,292.09/118,612.69 - Step 6: Final answer
x = 51,563.63
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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.