Finding the Fourth Proportional to 135,277.26, 186,682.84 and 74,850.45
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Solution
The fourth proportional to 135,277.26, 186,682.84 and 74,850.45 is: 103,293.74
Step by Step Solution
- Step 1: Write the proportion equation
135,277.26 : 186,682.84 = 74,850.45 : x - Step 2: Convert to fraction form
135,277.26/186,682.84 = 74,850.45/x - Step 3: Cross multiply
135,277.26x = 186,682.84 × 74,850.45 - Step 4: Simplify right side
135,277.26x = 13,973,294,394.15 - Step 5: Solve for x
x = 13,973,294,394.15/135,277.26 - Step 6: Final answer
x = 103,293.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.