Finding the Fourth Proportional to 276,588.99, 414,945.90 and 84,480.63
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Solution
The fourth proportional to 276,588.99, 414,945.90 and 84,480.63 is: 126,740.01
Step by Step Solution
- Step 1: Write the proportion equation
276,588.99 : 414,945.90 = 84,480.63 : x - Step 2: Convert to fraction form
276,588.99/414,945.90 = 84,480.63/x - Step 3: Cross multiply
276,588.99x = 414,945.90 × 84,480.63 - Step 4: Simplify right side
276,588.99x = 35,054,891,047.92 - Step 5: Solve for x
x = 35,054,891,047.92/276,588.99 - Step 6: Final answer
x = 126,740.01
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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.