Finding the Fourth Proportional to 135,268.76, 202,771.24 and 56,405.52
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Solution
The fourth proportional to 135,268.76, 202,771.24 and 56,405.52 is: 84,553.28
Step by Step Solution
- Step 1: Write the proportion equation
135,268.76 : 202,771.24 = 56,405.52 : x - Step 2: Convert to fraction form
135,268.76/202,771.24 = 56,405.52/x - Step 3: Cross multiply
135,268.76x = 202,771.24 × 56,405.52 - Step 4: Simplify right side
135,268.76x = 11,437,417,233.24 - Step 5: Solve for x
x = 11,437,417,233.24/135,268.76 - Step 6: Final answer
x = 84,553.28
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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.