Finding the Fourth Proportional to 298,348.99, 447,524.69 and 120,859.36
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Solution
The fourth proportional to 298,348.99, 447,524.69 and 120,859.36 is: 181,289.53
Step by Step Solution
- Step 1: Write the proportion equation
298,348.99 : 447,524.69 = 120,859.36 : x - Step 2: Convert to fraction form
298,348.99/447,524.69 = 120,859.36/x - Step 3: Cross multiply
298,348.99x = 447,524.69 × 120,859.36 - Step 4: Simplify right side
298,348.99x = 54,087,547,617.60 - Step 5: Solve for x
x = 54,087,547,617.60/298,348.99 - Step 6: Final answer
x = 181,289.53
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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.