Finding the Fourth Proportional to 457,025.13, 685,601.49 and 190,724.62
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Solution
The fourth proportional to 457,025.13, 685,601.49 and 190,724.62 is: 286,113.55
Step by Step Solution
- Step 1: Write the proportion equation
457,025.13 : 685,601.49 = 190,724.62 : x - Step 2: Convert to fraction form
457,025.13/685,601.49 = 190,724.62/x - Step 3: Cross multiply
457,025.13x = 685,601.49 × 190,724.62 - Step 4: Simplify right side
457,025.13x = 130,761,083,651.68 - Step 5: Solve for x
x = 130,761,083,651.68/457,025.13 - Step 6: Final answer
x = 286,113.55
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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.