Finding the Fourth Proportional to 125,315.97, 187,985.00 and 35,359.46
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Solution
The fourth proportional to 125,315.97, 187,985.00 and 35,359.46 is: 53,042.31
Step by Step Solution
- Step 1: Write the proportion equation
125,315.97 : 187,985.00 = 35,359.46 : x - Step 2: Convert to fraction form
125,315.97/187,985.00 = 35,359.46/x - Step 3: Cross multiply
125,315.97x = 187,985.00 × 35,359.46 - Step 4: Simplify right side
125,315.97x = 6,647,048,470.23 - Step 5: Solve for x
x = 6,647,048,470.23/125,315.97 - Step 6: Final answer
x = 53,042.31
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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.