Finding the Fourth Proportional to 118,336.14, 177,398.71 and 43,439.09
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Solution
The fourth proportional to 118,336.14, 177,398.71 and 43,439.09 is: 65,119.90
Step by Step Solution
- Step 1: Write the proportion equation
118,336.14 : 177,398.71 = 43,439.09 : x - Step 2: Convert to fraction form
118,336.14/177,398.71 = 43,439.09/x - Step 3: Cross multiply
118,336.14x = 177,398.71 × 43,439.09 - Step 4: Simplify right side
118,336.14x = 7,706,037,533.98 - Step 5: Solve for x
x = 7,706,037,533.98/118,336.14 - Step 6: Final answer
x = 65,119.90
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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.