Finding the Fourth Proportional to 445,131.05, 614,310.98 and 251,471.58
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Solution
The fourth proportional to 445,131.05, 614,310.98 and 251,471.58 is: 347,047.80
Step by Step Solution
- Step 1: Write the proportion equation
445,131.05 : 614,310.98 = 251,471.58 : x - Step 2: Convert to fraction form
445,131.05/614,310.98 = 251,471.58/x - Step 3: Cross multiply
445,131.05x = 614,310.98 × 251,471.58 - Step 4: Simplify right side
445,131.05x = 154,481,751,494.59 - Step 5: Solve for x
x = 154,481,751,494.59/445,131.05 - Step 6: Final answer
x = 347,047.80
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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.