Finding the Fourth Proportional to 135,277.14, 202,740.06 and 55,221.32
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Solution
The fourth proportional to 135,277.14, 202,740.06 and 55,221.32 is: 82,760.28
Step by Step Solution
- Step 1: Write the proportion equation
135,277.14 : 202,740.06 = 55,221.32 : x - Step 2: Convert to fraction form
135,277.14/202,740.06 = 55,221.32/x - Step 3: Cross multiply
135,277.14x = 202,740.06 × 55,221.32 - Step 4: Simplify right side
135,277.14x = 11,195,573,873.80 - Step 5: Solve for x
x = 11,195,573,873.80/135,277.14 - Step 6: Final answer
x = 82,760.28
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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.