Finding the Fourth Proportional to 79,649.26, 119,547.70 and 40,234.05
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Solution
The fourth proportional to 79,649.26, 119,547.70 and 40,234.05 is: 60,388.36
Step by Step Solution
- Step 1: Write the proportion equation
79,649.26 : 119,547.70 = 40,234.05 : x - Step 2: Convert to fraction form
79,649.26/119,547.70 = 40,234.05/x - Step 3: Cross multiply
79,649.26x = 119,547.70 × 40,234.05 - Step 4: Simplify right side
79,649.26x = 4,809,888,139.19 - Step 5: Solve for x
x = 4,809,888,139.19/79,649.26 - Step 6: Final answer
x = 60,388.36
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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.