Finding the Fourth Proportional to 118,230.40, 177,361.80 and 39,336.40
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Solution
The fourth proportional to 118,230.40, 177,361.80 and 39,336.40 is: 59,009.99
Step by Step Solution
- Step 1: Write the proportion equation
118,230.40 : 177,361.80 = 39,336.40 : x - Step 2: Convert to fraction form
118,230.40/177,361.80 = 39,336.40/x - Step 3: Cross multiply
118,230.40x = 177,361.80 × 39,336.40 - Step 4: Simplify right side
118,230.40x = 6,976,774,709.52 - Step 5: Solve for x
x = 6,976,774,709.52/118,230.40 - Step 6: Final answer
x = 59,009.99
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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.