Finding the Fourth Proportional to 295,803.20, 443,048.70 and 118,218.80
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Solution
The fourth proportional to 295,803.20, 443,048.70 and 118,218.80 is: 177,065.99
Step by Step Solution
- Step 1: Write the proportion equation
295,803.20 : 443,048.70 = 118,218.80 : x - Step 2: Convert to fraction form
295,803.20/443,048.70 = 118,218.80/x - Step 3: Cross multiply
295,803.20x = 443,048.70 × 118,218.80 - Step 4: Simplify right side
295,803.20x = 52,376,685,655.56 - Step 5: Solve for x
x = 52,376,685,655.56/295,803.20 - Step 6: Final answer
x = 177,065.99
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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.