Finding the Fourth Proportional to 188,947.68, 260,856.24 and 125,371.68
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Solution
The fourth proportional to 188,947.68, 260,856.24 and 125,371.68 is: 173,084.87
Step by Step Solution
- Step 1: Write the proportion equation
188,947.68 : 260,856.24 = 125,371.68 : x - Step 2: Convert to fraction form
188,947.68/260,856.24 = 125,371.68/x - Step 3: Cross multiply
188,947.68x = 260,856.24 × 125,371.68 - Step 4: Simplify right side
188,947.68x = 32,703,985,047.28 - Step 5: Solve for x
x = 32,703,985,047.28/188,947.68 - Step 6: Final answer
x = 173,084.87
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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.