Finding the Fourth Proportional to 207,472.84, 311,186.58 and 67,193.80
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Solution
The fourth proportional to 207,472.84, 311,186.58 and 67,193.80 is: 100,783.35
Step by Step Solution
- Step 1: Write the proportion equation
207,472.84 : 311,186.58 = 67,193.80 : x - Step 2: Convert to fraction form
207,472.84/311,186.58 = 67,193.80/x - Step 3: Cross multiply
207,472.84x = 311,186.58 × 67,193.80 - Step 4: Simplify right side
207,472.84x = 20,909,808,819.20 - Step 5: Solve for x
x = 20,909,808,819.20/207,472.84 - Step 6: Final answer
x = 100,783.35
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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.