Finding the Fourth Proportional to 175,040.70, 261,904.95 and 115,991.70
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Solution
The fourth proportional to 175,040.70, 261,904.95 and 115,991.70 is: 173,552.78
Step by Step Solution
- Step 1: Write the proportion equation
175,040.70 : 261,904.95 = 115,991.70 : x - Step 2: Convert to fraction form
175,040.70/261,904.95 = 115,991.70/x - Step 3: Cross multiply
175,040.70x = 261,904.95 × 115,991.70 - Step 4: Simplify right side
175,040.70x = 30,378,800,388.92 - Step 5: Solve for x
x = 30,378,800,388.92/175,040.70 - Step 6: Final answer
x = 173,552.78
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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.