Finding the Fourth Proportional to 135,246.76, 202,888.60 and 56,342.54
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Solution
The fourth proportional to 135,246.76, 202,888.60 and 56,342.54 is: 84,521.50
Step by Step Solution
- Step 1: Write the proportion equation
135,246.76 : 202,888.60 = 56,342.54 : x - Step 2: Convert to fraction form
135,246.76/202,888.60 = 56,342.54/x - Step 3: Cross multiply
135,246.76x = 202,888.60 × 56,342.54 - Step 4: Simplify right side
135,246.76x = 11,431,259,427.41 - Step 5: Solve for x
x = 11,431,259,427.41/135,246.76 - Step 6: Final answer
x = 84,521.50
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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.