Finding the Fourth Proportional to 518,419.75, 777,629.64 and 124,435.75
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Solution
The fourth proportional to 518,419.75, 777,629.64 and 124,435.75 is: 186,653.63
Step by Step Solution
- Step 1: Write the proportion equation
518,419.75 : 777,629.64 = 124,435.75 : x - Step 2: Convert to fraction form
518,419.75/777,629.64 = 124,435.75/x - Step 3: Cross multiply
518,419.75x = 777,629.64 × 124,435.75 - Step 4: Simplify right side
518,419.75x = 96,764,927,475.63 - Step 5: Solve for x
x = 96,764,927,475.63/518,419.75 - Step 6: Final answer
x = 186,653.63
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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.