Finding the Fourth Proportional to 239,663.76, 330,735.06 and 132,240.48
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Solution
The fourth proportional to 239,663.76, 330,735.06 and 132,240.48 is: 182,491.35
Step by Step Solution
- Step 1: Write the proportion equation
239,663.76 : 330,735.06 = 132,240.48 : x - Step 2: Convert to fraction form
239,663.76/330,735.06 = 132,240.48/x - Step 3: Cross multiply
239,663.76x = 330,735.06 × 132,240.48 - Step 4: Simplify right side
239,663.76x = 43,736,563,087.23 - Step 5: Solve for x
x = 43,736,563,087.23/239,663.76 - Step 6: Final answer
x = 182,491.35
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1.5x scale
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.