Finding the Fourth Proportional to 118,157.80, 177,235.78 and 29,410.70
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Solution
The fourth proportional to 118,157.80, 177,235.78 and 29,410.70 is: 44,115.82
Step by Step Solution
- Step 1: Write the proportion equation
118,157.80 : 177,235.78 = 29,410.70 : x - Step 2: Convert to fraction form
118,157.80/177,235.78 = 29,410.70/x - Step 3: Cross multiply
118,157.80x = 177,235.78 × 29,410.70 - Step 4: Simplify right side
118,157.80x = 5,212,628,354.85 - Step 5: Solve for x
x = 5,212,628,354.85/118,157.80 - Step 6: Final answer
x = 44,115.82
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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.