Finding the Fourth Proportional to 329,036.13, 493,340.36 and 129,375.99
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Solution
The fourth proportional to 329,036.13, 493,340.36 and 129,375.99 is: 193,979.90
Step by Step Solution
- Step 1: Write the proportion equation
329,036.13 : 493,340.36 = 129,375.99 : x - Step 2: Convert to fraction form
329,036.13/493,340.36 = 129,375.99/x - Step 3: Cross multiply
329,036.13x = 493,340.36 × 129,375.99 - Step 4: Simplify right side
329,036.13x = 63,826,396,835.08 - Step 5: Solve for x
x = 63,826,396,835.08/329,036.13 - Step 6: Final answer
x = 193,979.90
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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.