Finding the Fourth Proportional to 219,912.24, 303,278.52 and 185,991.84
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Solution
The fourth proportional to 219,912.24, 303,278.52 and 185,991.84 is: 256,499.27
Step by Step Solution
- Step 1: Write the proportion equation
219,912.24 : 303,278.52 = 185,991.84 : x - Step 2: Convert to fraction form
219,912.24/303,278.52 = 185,991.84/x - Step 3: Cross multiply
219,912.24x = 303,278.52 × 185,991.84 - Step 4: Simplify right side
219,912.24x = 56,407,329,967.28 - Step 5: Solve for x
x = 56,407,329,967.28/219,912.24 - Step 6: Final answer
x = 256,499.27
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1.5x scale
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.