Finding the Fourth Proportional to 338,891.99, 507,983.30 and 114,174.79
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Solution
The fourth proportional to 338,891.99, 507,983.30 and 114,174.79 is: 171,142.68
Step by Step Solution
- Step 1: Write the proportion equation
338,891.99 : 507,983.30 = 114,174.79 : x - Step 2: Convert to fraction form
338,891.99/507,983.30 = 114,174.79/x - Step 3: Cross multiply
338,891.99x = 507,983.30 × 114,174.79 - Step 4: Simplify right side
338,891.99x = 57,998,884,760.17 - Step 5: Solve for x
x = 57,998,884,760.17/338,891.99 - Step 6: Final answer
x = 171,142.68
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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.