Finding the Fourth Proportional to 298,131.84, 447,197.76 and 204,353.28
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Solution
The fourth proportional to 298,131.84, 447,197.76 and 204,353.28 is: 306,529.92
Step by Step Solution
- Step 1: Write the proportion equation
298,131.84 : 447,197.76 = 204,353.28 : x - Step 2: Convert to fraction form
298,131.84/447,197.76 = 204,353.28/x - Step 3: Cross multiply
298,131.84x = 447,197.76 × 204,353.28 - Step 4: Simplify right side
298,131.84x = 91,386,329,064.65 - Step 5: Solve for x
x = 91,386,329,064.65/298,131.84 - Step 6: Final answer
x = 306,529.92
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Similar ratio
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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.