Finding the Fourth Proportional to 420,150.08, 579,814.02 and 229,163.48
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Solution
The fourth proportional to 420,150.08, 579,814.02 and 229,163.48 is: 316,249.37
Step by Step Solution
- Step 1: Write the proportion equation
420,150.08 : 579,814.02 = 229,163.48 : x - Step 2: Convert to fraction form
420,150.08/579,814.02 = 229,163.48/x - Step 3: Cross multiply
420,150.08x = 579,814.02 × 229,163.48 - Step 4: Simplify right side
420,150.08x = 132,872,198,575.99 - Step 5: Solve for x
x = 132,872,198,575.99/420,150.08 - Step 6: Final answer
x = 316,249.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.