Finding the Fourth Proportional to 272,020.05, 408,029.76 and 94,527.08
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Solution
The fourth proportional to 272,020.05, 408,029.76 and 94,527.08 is: 141,790.50
Step by Step Solution
- Step 1: Write the proportion equation
272,020.05 : 408,029.76 = 94,527.08 : x - Step 2: Convert to fraction form
272,020.05/408,029.76 = 94,527.08/x - Step 3: Cross multiply
272,020.05x = 408,029.76 × 94,527.08 - Step 4: Simplify right side
272,020.05x = 38,569,859,725.75 - Step 5: Solve for x
x = 38,569,859,725.75/272,020.05 - Step 6: Final answer
x = 141,790.50
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1.5x scale
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.