Finding the Fourth Proportional to 135,428.08, 203,139.96 and 36,932.08
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Solution
The fourth proportional to 135,428.08, 203,139.96 and 36,932.08 is: 55,397.53
Step by Step Solution
- Step 1: Write the proportion equation
135,428.08 : 203,139.96 = 36,932.08 : x - Step 2: Convert to fraction form
135,428.08/203,139.96 = 36,932.08/x - Step 3: Cross multiply
135,428.08x = 203,139.96 × 36,932.08 - Step 4: Simplify right side
135,428.08x = 7,502,381,253.92 - Step 5: Solve for x
x = 7,502,381,253.92/135,428.08 - Step 6: Final answer
x = 55,397.53
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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.