Finding the Fourth Proportional to 132,312.29, 182,550.74 and 74,942.50
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Solution
The fourth proportional to 132,312.29, 182,550.74 and 74,942.50 is: 103,397.86
Step by Step Solution
- Step 1: Write the proportion equation
132,312.29 : 182,550.74 = 74,942.50 : x - Step 2: Convert to fraction form
132,312.29/182,550.74 = 74,942.50/x - Step 3: Cross multiply
132,312.29x = 182,550.74 × 74,942.50 - Step 4: Simplify right side
132,312.29x = 13,680,808,554.42 - Step 5: Solve for x
x = 13,680,808,554.42/132,312.29 - Step 6: Final answer
x = 103,397.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.