Finding the Fourth Proportional to 239,688.10, 330,761.64 and 132,258.21
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Solution
The fourth proportional to 239,688.10, 330,761.64 and 132,258.21 is: 182,511.95
Step by Step Solution
- Step 1: Write the proportion equation
239,688.10 : 330,761.64 = 132,258.21 : x - Step 2: Convert to fraction form
239,688.10/330,761.64 = 132,258.21/x - Step 3: Cross multiply
239,688.10x = 330,761.64 × 132,258.21 - Step 4: Simplify right side
239,688.10x = 43,745,942,443.06 - Step 5: Solve for x
x = 43,745,942,443.06/239,688.10 - Step 6: Final answer
x = 182,511.95
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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.