Finding the Fourth Proportional to 443,121.36, 611,492.04 and 273,351.12
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Solution
The fourth proportional to 443,121.36, 611,492.04 and 273,351.12 is: 377,215.02
Step by Step Solution
- Step 1: Write the proportion equation
443,121.36 : 611,492.04 = 273,351.12 : x - Step 2: Convert to fraction form
443,121.36/611,492.04 = 273,351.12/x - Step 3: Cross multiply
443,121.36x = 611,492.04 × 273,351.12 - Step 4: Simplify right side
443,121.36x = 167,152,034,005.09 - Step 5: Solve for x
x = 167,152,034,005.09/443,121.36 - Step 6: Final answer
x = 377,215.02
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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.