Finding the Fourth Proportional to 192,509.98, 288,742.88 and 50,368.97
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Solution
The fourth proportional to 192,509.98, 288,742.88 and 50,368.97 is: 75,547.68
Step by Step Solution
- Step 1: Write the proportion equation
192,509.98 : 288,742.88 = 50,368.97 : x - Step 2: Convert to fraction form
192,509.98/288,742.88 = 50,368.97/x - Step 3: Cross multiply
192,509.98x = 288,742.88 × 50,368.97 - Step 4: Simplify right side
192,509.98x = 14,543,682,308.21 - Step 5: Solve for x
x = 14,543,682,308.21/192,509.98 - Step 6: Final answer
x = 75,547.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.