Finding the Fourth Proportional to 269,856.71, 372,408.06 and 149,005.64
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Solution
The fourth proportional to 269,856.71, 372,408.06 and 149,005.64 is: 205,630.99
Step by Step Solution
- Step 1: Write the proportion equation
269,856.71 : 372,408.06 = 149,005.64 : x - Step 2: Convert to fraction form
269,856.71/372,408.06 = 149,005.64/x - Step 3: Cross multiply
269,856.71x = 372,408.06 × 149,005.64 - Step 4: Simplify right side
269,856.71x = 55,490,901,321.46 - Step 5: Solve for x
x = 55,490,901,321.46/269,856.71 - Step 6: Final answer
x = 205,630.99
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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.