Finding the Fourth Proportional to 258,660.48, 387,429.94 and 125,260.99
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Solution
The fourth proportional to 258,660.48, 387,429.94 and 125,260.99 is: 187,619.92
Step by Step Solution
- Step 1: Write the proportion equation
258,660.48 : 387,429.94 = 125,260.99 : x - Step 2: Convert to fraction form
258,660.48/387,429.94 = 125,260.99/x - Step 3: Cross multiply
258,660.48x = 387,429.94 × 125,260.99 - Step 4: Simplify right side
258,660.48x = 48,529,857,840.04 - Step 5: Solve for x
x = 48,529,857,840.04/258,660.48 - Step 6: Final answer
x = 187,619.92
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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.