Finding the Fourth Proportional to 135,516.17, 203,284.28 and 40,738.88
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Solution
The fourth proportional to 135,516.17, 203,284.28 and 40,738.88 is: 61,111.33
Step by Step Solution
- Step 1: Write the proportion equation
135,516.17 : 203,284.28 = 40,738.88 : x - Step 2: Convert to fraction form
135,516.17/203,284.28 = 40,738.88/x - Step 3: Cross multiply
135,516.17x = 203,284.28 × 40,738.88 - Step 4: Simplify right side
135,516.17x = 8,281,573,888.81 - Step 5: Solve for x
x = 8,281,573,888.81/135,516.17 - Step 6: Final answer
x = 61,111.33
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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.