Finding the Fourth Proportional to 547,044.48, 820,536.96 and 147,679.68
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Solution
The fourth proportional to 547,044.48, 820,536.96 and 147,679.68 is: 221,511.49
Step by Step Solution
- Step 1: Write the proportion equation
547,044.48 : 820,536.96 = 147,679.68 : x - Step 2: Convert to fraction form
547,044.48/820,536.96 = 147,679.68/x - Step 3: Cross multiply
547,044.48x = 820,536.96 × 147,679.68 - Step 4: Simplify right side
547,044.48x = 121,176,635,680.97 - Step 5: Solve for x
x = 121,176,635,680.97/547,044.48 - Step 6: Final answer
x = 221,511.49
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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.