Finding the Fourth Proportional to 298,346.99, 447,521.69 and 120,857.36
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Solution
The fourth proportional to 298,346.99, 447,521.69 and 120,857.36 is: 181,286.52
Step by Step Solution
- Step 1: Write the proportion equation
298,346.99 : 447,521.69 = 120,857.36 : x - Step 2: Convert to fraction form
298,346.99/447,521.69 = 120,857.36/x - Step 3: Cross multiply
298,346.99x = 447,521.69 × 120,857.36 - Step 4: Simplify right side
298,346.99x = 54,086,287,154.24 - Step 5: Solve for x
x = 54,086,287,154.24/298,346.99 - Step 6: Final answer
x = 181,286.52
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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.