Finding the Fourth Proportional to 135,109.26, 202,554.45 and 56,282.49
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Solution
The fourth proportional to 135,109.26, 202,554.45 and 56,282.49 is: 84,378.15
Step by Step Solution
- Step 1: Write the proportion equation
135,109.26 : 202,554.45 = 56,282.49 : x - Step 2: Convert to fraction form
135,109.26/202,554.45 = 56,282.49/x - Step 3: Cross multiply
135,109.26x = 202,554.45 × 56,282.49 - Step 4: Simplify right side
135,109.26x = 11,400,268,806.58 - Step 5: Solve for x
x = 11,400,268,806.58/135,109.26 - Step 6: Final answer
x = 84,378.15
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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.