Finding the Fourth Proportional to 327,423.47, 451,803.97 and 206,519.09
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Solution
The fourth proportional to 327,423.47, 451,803.97 and 206,519.09 is: 284,970.85
Step by Step Solution
- Step 1: Write the proportion equation
327,423.47 : 451,803.97 = 206,519.09 : x - Step 2: Convert to fraction form
327,423.47/451,803.97 = 206,519.09/x - Step 3: Cross multiply
327,423.47x = 451,803.97 × 206,519.09 - Step 4: Simplify right side
327,423.47x = 93,306,144,742.79 - Step 5: Solve for x
x = 93,306,144,742.79/327,423.47 - Step 6: Final answer
x = 284,970.85
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1.5x scale
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.