Finding the Fourth Proportional to 146,363.99, 201,979.67 and 82,700.42
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Solution
The fourth proportional to 146,363.99, 201,979.67 and 82,700.42 is: 114,125.09
Step by Step Solution
- Step 1: Write the proportion equation
146,363.99 : 201,979.67 = 82,700.42 : x - Step 2: Convert to fraction form
146,363.99/201,979.67 = 82,700.42/x - Step 3: Cross multiply
146,363.99x = 201,979.67 × 82,700.42 - Step 4: Simplify right side
146,363.99x = 16,703,803,540.46 - Step 5: Solve for x
x = 16,703,803,540.46/146,363.99 - Step 6: Final answer
x = 114,125.09
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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.