Finding the Fourth Proportional to 251,941.19, 377,965.09 and 83,451.98
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Solution
The fourth proportional to 251,941.19, 377,965.09 and 83,451.98 is: 125,195.62
Step by Step Solution
- Step 1: Write the proportion equation
251,941.19 : 377,965.09 = 83,451.98 : x - Step 2: Convert to fraction form
251,941.19/377,965.09 = 83,451.98/x - Step 3: Cross multiply
251,941.19x = 377,965.09 × 83,451.98 - Step 4: Simplify right side
251,941.19x = 31,541,933,345.87 - Step 5: Solve for x
x = 31,541,933,345.87/251,941.19 - Step 6: Final answer
x = 125,195.62
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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.