Finding the Fourth Proportional to 118,616.96, 177,936.48 and 43,734.08
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Solution
The fourth proportional to 118,616.96, 177,936.48 and 43,734.08 is: 65,605.19
Step by Step Solution
- Step 1: Write the proportion equation
118,616.96 : 177,936.48 = 43,734.08 : x - Step 2: Convert to fraction form
118,616.96/177,936.48 = 43,734.08/x - Step 3: Cross multiply
118,616.96x = 177,936.48 × 43,734.08 - Step 4: Simplify right side
118,616.96x = 7,781,888,251.24 - Step 5: Solve for x
x = 7,781,888,251.24/118,616.96 - Step 6: Final answer
x = 65,605.19
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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.