Finding the Fourth Proportional to 448,023.96, 670,456.74 and 279,623.14
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Solution
The fourth proportional to 448,023.96, 670,456.74 and 279,623.14 is: 418,449.09
Step by Step Solution
- Step 1: Write the proportion equation
448,023.96 : 670,456.74 = 279,623.14 : x - Step 2: Convert to fraction form
448,023.96/670,456.74 = 279,623.14/x - Step 3: Cross multiply
448,023.96x = 670,456.74 × 279,623.14 - Step 4: Simplify right side
448,023.96x = 187,475,218,245.41 - Step 5: Solve for x
x = 187,475,218,245.41/448,023.96 - Step 6: Final answer
x = 418,449.09
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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.