Finding the Fourth Proportional to 239,407.44, 330,378.22 and 130,512.96
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Solution
The fourth proportional to 239,407.44, 330,378.22 and 130,512.96 is: 180,105.68
Step by Step Solution
- Step 1: Write the proportion equation
239,407.44 : 330,378.22 = 130,512.96 : x - Step 2: Convert to fraction form
239,407.44/330,378.22 = 130,512.96/x - Step 3: Cross multiply
239,407.44x = 330,378.22 × 130,512.96 - Step 4: Simplify right side
239,407.44x = 43,118,639,411.73 - Step 5: Solve for x
x = 43,118,639,411.73/239,407.44 - Step 6: Final answer
x = 180,105.68
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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.