Finding the Fourth Proportional to 205,295.87, 283,294.19 and 113,411.09
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Solution
The fourth proportional to 205,295.87, 283,294.19 and 113,411.09 is: 156,499.51
Step by Step Solution
- Step 1: Write the proportion equation
205,295.87 : 283,294.19 = 113,411.09 : x - Step 2: Convert to fraction form
205,295.87/283,294.19 = 113,411.09/x - Step 3: Cross multiply
205,295.87x = 283,294.19 × 113,411.09 - Step 4: Simplify right side
205,295.87x = 32,128,702,878.57 - Step 5: Solve for x
x = 32,128,702,878.57/205,295.87 - Step 6: Final answer
x = 156,499.51
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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.