Finding the Fourth Proportional to 208,416.48, 313,043.21 and 124,340.68
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Solution
The fourth proportional to 208,416.48, 313,043.21 and 124,340.68 is: 186,760.69
Step by Step Solution
- Step 1: Write the proportion equation
208,416.48 : 313,043.21 = 124,340.68 : x - Step 2: Convert to fraction form
208,416.48/313,043.21 = 124,340.68/x - Step 3: Cross multiply
208,416.48x = 313,043.21 × 124,340.68 - Step 4: Simplify right side
208,416.48x = 38,924,005,600.78 - Step 5: Solve for x
x = 38,924,005,600.78/208,416.48 - Step 6: Final answer
x = 186,760.69
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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.