Finding the Fourth Proportional to 313,694.98, 432,901.81 and 170,455.02
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Solution
The fourth proportional to 313,694.98, 432,901.81 and 170,455.02 is: 235,229.42
Step by Step Solution
- Step 1: Write the proportion equation
313,694.98 : 432,901.81 = 170,455.02 : x - Step 2: Convert to fraction form
313,694.98/432,901.81 = 170,455.02/x - Step 3: Cross multiply
313,694.98x = 432,901.81 × 170,455.02 - Step 4: Simplify right side
313,694.98x = 73,790,286,681.59 - Step 5: Solve for x
x = 73,790,286,681.59/313,694.98 - Step 6: Final answer
x = 235,229.42
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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.