Finding the Fourth Proportional to 328,419.97, 453,220.21 and 177,516.97
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Solution
The fourth proportional to 328,419.97, 453,220.21 and 177,516.97 is: 244,973.77
Step by Step Solution
- Step 1: Write the proportion equation
328,419.97 : 453,220.21 = 177,516.97 : x - Step 2: Convert to fraction form
328,419.97/453,220.21 = 177,516.97/x - Step 3: Cross multiply
328,419.97x = 453,220.21 × 177,516.97 - Step 4: Simplify right side
328,419.97x = 80,454,277,510.81 - Step 5: Solve for x
x = 80,454,277,510.81/328,419.97 - Step 6: Final answer
x = 244,973.77
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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.