Finding the Fourth Proportional to 219,112.48, 328,717.92 and 69,361.68
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Solution
The fourth proportional to 219,112.48, 328,717.92 and 69,361.68 is: 104,058.09
Step by Step Solution
- Step 1: Write the proportion equation
219,112.48 : 328,717.92 = 69,361.68 : x - Step 2: Convert to fraction form
219,112.48/328,717.92 = 69,361.68/x - Step 3: Cross multiply
219,112.48x = 328,717.92 × 69,361.68 - Step 4: Simplify right side
219,112.48x = 22,800,427,177.31 - Step 5: Solve for x
x = 22,800,427,177.31/219,112.48 - Step 6: Final answer
x = 104,058.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.