Finding the Fourth Proportional to 219,989.75, 303,589.50 and 119,387.75
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Solution
The fourth proportional to 219,989.75, 303,589.50 and 119,387.75 is: 164,757.07
Step by Step Solution
- Step 1: Write the proportion equation
219,989.75 : 303,589.50 = 119,387.75 : x - Step 2: Convert to fraction form
219,989.75/303,589.50 = 119,387.75/x - Step 3: Cross multiply
219,989.75x = 303,589.50 × 119,387.75 - Step 4: Simplify right side
219,989.75x = 36,244,867,328.63 - Step 5: Solve for x
x = 36,244,867,328.63/219,989.75 - Step 6: Final answer
x = 164,757.07
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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.