Finding the Fourth Proportional to 394,615.80, 592,011.36 and 184,138.92
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Solution
The fourth proportional to 394,615.80, 592,011.36 and 184,138.92 is: 276,249.28
Step by Step Solution
- Step 1: Write the proportion equation
394,615.80 : 592,011.36 = 184,138.92 : x - Step 2: Convert to fraction form
394,615.80/592,011.36 = 184,138.92/x - Step 3: Cross multiply
394,615.80x = 592,011.36 × 184,138.92 - Step 4: Simplify right side
394,615.80x = 109,012,332,458.13 - Step 5: Solve for x
x = 109,012,332,458.13/394,615.80 - Step 6: Final answer
x = 276,249.28
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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.