Finding the Fourth Proportional to 443,451.71, 611,963.91 and 252,465.09
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Solution
The fourth proportional to 443,451.71, 611,963.91 and 252,465.09 is: 348,402.14
Step by Step Solution
- Step 1: Write the proportion equation
443,451.71 : 611,963.91 = 252,465.09 : x - Step 2: Convert to fraction form
443,451.71/611,963.91 = 252,465.09/x - Step 3: Cross multiply
443,451.71x = 611,963.91 × 252,465.09 - Step 4: Simplify right side
443,451.71x = 154,499,523,614.90 - Step 5: Solve for x
x = 154,499,523,614.90/443,451.71 - Step 6: Final answer
x = 348,402.14
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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.