Finding the Fourth Proportional to 381,863.40, 572,649.30 and 115,535.40
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Solution
The fourth proportional to 381,863.40, 572,649.30 and 115,535.40 is: 173,258.99
Step by Step Solution
- Step 1: Write the proportion equation
381,863.40 : 572,649.30 = 115,535.40 : x - Step 2: Convert to fraction form
381,863.40/572,649.30 = 115,535.40/x - Step 3: Cross multiply
381,863.40x = 572,649.30 × 115,535.40 - Step 4: Simplify right side
381,863.40x = 66,161,265,935.22 - Step 5: Solve for x
x = 66,161,265,935.22/381,863.40 - Step 6: Final answer
x = 173,258.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.