Finding the Fourth Proportional to 118,155.80, 177,232.79 and 29,408.70
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Solution
The fourth proportional to 118,155.80, 177,232.79 and 29,408.70 is: 44,112.82
Step by Step Solution
- Step 1: Write the proportion equation
118,155.80 : 177,232.79 = 29,408.70 : x - Step 2: Convert to fraction form
118,155.80/177,232.79 = 29,408.70/x - Step 3: Cross multiply
118,155.80x = 177,232.79 × 29,408.70 - Step 4: Simplify right side
118,155.80x = 5,212,185,804.23 - Step 5: Solve for x
x = 5,212,185,804.23/118,155.80 - Step 6: Final answer
x = 44,112.82
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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.