Finding the Fourth Proportional to 135,332.91, 202,594.91 and 81,863.09
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Solution
The fourth proportional to 135,332.91, 202,594.91 and 81,863.09 is: 122,549.97
Step by Step Solution
- Step 1: Write the proportion equation
135,332.91 : 202,594.91 = 81,863.09 : x - Step 2: Convert to fraction form
135,332.91/202,594.91 = 81,863.09/x - Step 3: Cross multiply
135,332.91x = 202,594.91 × 81,863.09 - Step 4: Simplify right side
135,332.91x = 16,585,044,688.31 - Step 5: Solve for x
x = 16,585,044,688.31/135,332.91 - Step 6: Final answer
x = 122,549.97
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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.