Finding the Fourth Proportional to 561,625.91, 775,044.14 and 306,977.10
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Solution
The fourth proportional to 561,625.91, 775,044.14 and 306,977.10 is: 423,628.61
Step by Step Solution
- Step 1: Write the proportion equation
561,625.91 : 775,044.14 = 306,977.10 : x - Step 2: Convert to fraction form
561,625.91/775,044.14 = 306,977.10/x - Step 3: Cross multiply
561,625.91x = 775,044.14 × 306,977.10 - Step 4: Simplify right side
561,625.91x = 237,920,802,469.19 - Step 5: Solve for x
x = 237,920,802,469.19/561,625.91 - Step 6: Final answer
x = 423,628.61
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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.