Finding the Fourth Proportional to 448,385.76, 672,579.36 and 307,717.92
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Solution
The fourth proportional to 448,385.76, 672,579.36 and 307,717.92 is: 461,577.37
Step by Step Solution
- Step 1: Write the proportion equation
448,385.76 : 672,579.36 = 307,717.92 : x - Step 2: Convert to fraction form
448,385.76/672,579.36 = 307,717.92/x - Step 3: Cross multiply
448,385.76x = 672,579.36 × 307,717.92 - Step 4: Simplify right side
448,385.76x = 206,964,721,694.13 - Step 5: Solve for x
x = 206,964,721,694.13/448,385.76 - Step 6: Final answer
x = 461,577.37
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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.