Finding the Fourth Proportional to 118,170.20, 177,278.35 and 38,227.99
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Solution
The fourth proportional to 118,170.20, 177,278.35 and 38,227.99 is: 57,349.44
Step by Step Solution
- Step 1: Write the proportion equation
118,170.20 : 177,278.35 = 38,227.99 : x - Step 2: Convert to fraction form
118,170.20/177,278.35 = 38,227.99/x - Step 3: Cross multiply
118,170.20x = 177,278.35 × 38,227.99 - Step 4: Simplify right side
118,170.20x = 6,776,994,991.02 - Step 5: Solve for x
x = 6,776,994,991.02/118,170.20 - Step 6: Final answer
x = 57,349.44
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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.