Finding the Fourth Proportional to 634,135.87, 875,107.29 and 347,649.81
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Solution
The fourth proportional to 634,135.87, 875,107.29 and 347,649.81 is: 479,756.62
Step by Step Solution
- Step 1: Write the proportion equation
634,135.87 : 875,107.29 = 347,649.81 : x - Step 2: Convert to fraction form
634,135.87/875,107.29 = 347,649.81/x - Step 3: Cross multiply
634,135.87x = 875,107.29 × 347,649.81 - Step 4: Simplify right side
634,135.87x = 304,230,883,098.12 - Step 5: Solve for x
x = 304,230,883,098.12/634,135.87 - Step 6: Final answer
x = 479,756.62
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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.