Finding the Fourth Proportional to 90,237.99, 135,375.81 and 27,055.56
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Solution
The fourth proportional to 90,237.99, 135,375.81 and 27,055.56 is: 40,588.98
Step by Step Solution
- Step 1: Write the proportion equation
90,237.99 : 135,375.81 = 27,055.56 : x - Step 2: Convert to fraction form
90,237.99/135,375.81 = 27,055.56/x - Step 3: Cross multiply
90,237.99x = 135,375.81 × 27,055.56 - Step 4: Simplify right side
90,237.99x = 3,662,668,350.00 - Step 5: Solve for x
x = 3,662,668,350.00/90,237.99 - Step 6: Final answer
x = 40,588.98
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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.