Finding the Fourth Proportional to 392,109.24, 588,108.18 and 125,835.24
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Solution
The fourth proportional to 392,109.24, 588,108.18 and 125,835.24 is: 188,734.99
Step by Step Solution
- Step 1: Write the proportion equation
392,109.24 : 588,108.18 = 125,835.24 : x - Step 2: Convert to fraction form
392,109.24/588,108.18 = 125,835.24/x - Step 3: Cross multiply
392,109.24x = 588,108.18 × 125,835.24 - Step 4: Simplify right side
392,109.24x = 74,004,733,976.26 - Step 5: Solve for x
x = 74,004,733,976.26/392,109.24 - Step 6: Final answer
x = 188,734.99
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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.