Finding the Fourth Proportional to 276,831.48, 382,027.30 and 149,507.08
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Solution
The fourth proportional to 276,831.48, 382,027.30 and 149,507.08 is: 206,319.69
Step by Step Solution
- Step 1: Write the proportion equation
276,831.48 : 382,027.30 = 149,507.08 : x - Step 2: Convert to fraction form
276,831.48/382,027.30 = 149,507.08/x - Step 3: Cross multiply
276,831.48x = 382,027.30 × 149,507.08 - Step 4: Simplify right side
276,831.48x = 57,115,786,103.28 - Step 5: Solve for x
x = 57,115,786,103.28/276,831.48 - Step 6: Final answer
x = 206,319.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.