Finding the Fourth Proportional to 443,451.57, 611,963.74 and 252,464.95
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Solution
The fourth proportional to 443,451.57, 611,963.74 and 252,464.95 is: 348,401.96
Step by Step Solution
- Step 1: Write the proportion equation
443,451.57 : 611,963.74 = 252,464.95 : x - Step 2: Convert to fraction form
443,451.57/611,963.74 = 252,464.95/x - Step 3: Cross multiply
443,451.57x = 611,963.74 × 252,464.95 - Step 4: Simplify right side
443,451.57x = 154,499,395,020.91 - Step 5: Solve for x
x = 154,499,395,020.91/443,451.57 - Step 6: Final answer
x = 348,401.96
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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.