Finding the Fourth Proportional to 303,471.69, 455,256.81 and 113,946.99
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Solution
The fourth proportional to 303,471.69, 455,256.81 and 113,946.99 is: 170,938.99
Step by Step Solution
- Step 1: Write the proportion equation
303,471.69 : 455,256.81 = 113,946.99 : x - Step 2: Convert to fraction form
303,471.69/455,256.81 = 113,946.99/x - Step 3: Cross multiply
303,471.69x = 455,256.81 × 113,946.99 - Step 4: Simplify right side
303,471.69x = 51,875,143,176.50 - Step 5: Solve for x
x = 51,875,143,176.50/303,471.69 - Step 6: Final answer
x = 170,938.99
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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.