Finding the Fourth Proportional to 208,117.14, 287,201.66 and 112,623.84
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Solution
The fourth proportional to 208,117.14, 287,201.66 and 112,623.84 is: 155,420.90
Step by Step Solution
- Step 1: Write the proportion equation
208,117.14 : 287,201.66 = 112,623.84 : x - Step 2: Convert to fraction form
208,117.14/287,201.66 = 112,623.84/x - Step 3: Cross multiply
208,117.14x = 287,201.66 × 112,623.84 - Step 4: Simplify right side
208,117.14x = 32,345,753,803.57 - Step 5: Solve for x
x = 32,345,753,803.57/208,117.14 - Step 6: Final answer
x = 155,420.90
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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.