Finding the Fourth Proportional to 188,578.13, 260,226.96 and 103,695.26
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Solution
The fourth proportional to 188,578.13, 260,226.96 and 103,695.26 is: 143,093.49
Step by Step Solution
- Step 1: Write the proportion equation
188,578.13 : 260,226.96 = 103,695.26 : x - Step 2: Convert to fraction form
188,578.13/260,226.96 = 103,695.26/x - Step 3: Cross multiply
188,578.13x = 260,226.96 × 103,695.26 - Step 4: Simplify right side
188,578.13x = 26,984,302,276.21 - Step 5: Solve for x
x = 26,984,302,276.21/188,578.13 - Step 6: Final answer
x = 143,093.49
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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.