Finding the Fourth Proportional to 447,564.09, 617,651.37 and 243,628.23
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Solution
The fourth proportional to 447,564.09, 617,651.37 and 243,628.23 is: 336,213.99
Step by Step Solution
- Step 1: Write the proportion equation
447,564.09 : 617,651.37 = 243,628.23 : x - Step 2: Convert to fraction form
447,564.09/617,651.37 = 243,628.23/x - Step 3: Cross multiply
447,564.09x = 617,651.37 × 243,628.23 - Step 4: Simplify right side
447,564.09x = 150,477,310,030.18 - Step 5: Solve for x
x = 150,477,310,030.18/447,564.09 - Step 6: Final answer
x = 336,213.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.