Finding the Fourth Proportional to 419,889.36, 579,272.84 and 247,738.98
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Solution
The fourth proportional to 419,889.36, 579,272.84 and 247,738.98 is: 341,776.85
Step by Step Solution
- Step 1: Write the proportion equation
419,889.36 : 579,272.84 = 247,738.98 : x - Step 2: Convert to fraction form
419,889.36/579,272.84 = 247,738.98/x - Step 3: Cross multiply
419,889.36x = 579,272.84 × 247,738.98 - Step 4: Simplify right side
419,889.36x = 143,508,462,523.30 - Step 5: Solve for x
x = 143,508,462,523.30/419,889.36 - Step 6: Final answer
x = 341,776.85
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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.