Finding the Fourth Proportional to 135,528.14, 203,256.78 and 40,732.98
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Solution
The fourth proportional to 135,528.14, 203,256.78 and 40,732.98 is: 61,088.82
Step by Step Solution
- Step 1: Write the proportion equation
135,528.14 : 203,256.78 = 40,732.98 : x - Step 2: Convert to fraction form
135,528.14/203,256.78 = 40,732.98/x - Step 3: Cross multiply
135,528.14x = 203,256.78 × 40,732.98 - Step 4: Simplify right side
135,528.14x = 8,279,254,354.60 - Step 5: Solve for x
x = 8,279,254,354.60/135,528.14 - Step 6: Final answer
x = 61,088.82
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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.