Finding the Fourth Proportional to 276,091.20, 414,136.80 and 201,733.20
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Solution
The fourth proportional to 276,091.20, 414,136.80 and 201,733.20 is: 302,599.80
Step by Step Solution
- Step 1: Write the proportion equation
276,091.20 : 414,136.80 = 201,733.20 : x - Step 2: Convert to fraction form
276,091.20/414,136.80 = 201,733.20/x - Step 3: Cross multiply
276,091.20x = 414,136.80 × 201,733.20 - Step 4: Simplify right side
276,091.20x = 83,545,141,901.76 - Step 5: Solve for x
x = 83,545,141,901.76/276,091.20 - Step 6: Final answer
x = 302,599.80
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1.5x scale
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.