Finding the Fourth Proportional to 329,073.99, 493,610.99 and 79,755.99
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Solution
The fourth proportional to 329,073.99, 493,610.99 and 79,755.99 is: 119,633.99
Step by Step Solution
- Step 1: Write the proportion equation
329,073.99 : 493,610.99 = 79,755.99 : x - Step 2: Convert to fraction form
329,073.99/493,610.99 = 79,755.99/x - Step 3: Cross multiply
329,073.99x = 493,610.99 × 79,755.99 - Step 4: Simplify right side
329,073.99x = 39,368,433,182.33 - Step 5: Solve for x
x = 39,368,433,182.33/329,073.99 - Step 6: Final answer
x = 119,633.99
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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.