Finding the Fourth Proportional to 207,434.84, 285,657.75 and 180,198.54
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Solution
The fourth proportional to 207,434.84, 285,657.75 and 180,198.54 is: 248,150.75
Step by Step Solution
- Step 1: Write the proportion equation
207,434.84 : 285,657.75 = 180,198.54 : x - Step 2: Convert to fraction form
207,434.84/285,657.75 = 180,198.54/x - Step 3: Cross multiply
207,434.84x = 285,657.75 × 180,198.54 - Step 4: Simplify right side
207,434.84x = 51,475,109,489.69 - Step 5: Solve for x
x = 51,475,109,489.69/207,434.84 - Step 6: Final answer
x = 248,150.75
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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.