Finding the Fourth Proportional to 188,570.25, 260,234.24 and 103,685.49
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Solution
The fourth proportional to 188,570.25, 260,234.24 and 103,685.49 is: 143,089.99
Step by Step Solution
- Step 1: Write the proportion equation
188,570.25 : 260,234.24 = 103,685.49 : x - Step 2: Convert to fraction form
188,570.25/260,234.24 = 103,685.49/x - Step 3: Cross multiply
188,570.25x = 260,234.24 × 103,685.49 - Step 4: Simplify right side
188,570.25x = 26,982,514,689.18 - Step 5: Solve for x
x = 26,982,514,689.18/188,570.25 - Step 6: Final answer
x = 143,089.99
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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.