Finding the Fourth Proportional to 188,545.73, 260,203.62 and 103,680.41
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Solution
The fourth proportional to 188,545.73, 260,203.62 and 103,680.41 is: 143,084.75
Step by Step Solution
- Step 1: Write the proportion equation
188,545.73 : 260,203.62 = 103,680.41 : x - Step 2: Convert to fraction form
188,545.73/260,203.62 = 103,680.41/x - Step 3: Cross multiply
188,545.73x = 260,203.62 × 103,680.41 - Step 4: Simplify right side
188,545.73x = 26,978,018,005.08 - Step 5: Solve for x
x = 26,978,018,005.08/188,545.73 - Step 6: Final answer
x = 143,084.75
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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.