Finding the Fourth Proportional to 447,428.09, 617,450.85 and 246,224.09
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Solution
The fourth proportional to 447,428.09, 617,450.85 and 246,224.09 is: 339,789.29
Step by Step Solution
- Step 1: Write the proportion equation
447,428.09 : 617,450.85 = 246,224.09 : x - Step 2: Convert to fraction form
447,428.09/617,450.85 = 246,224.09/x - Step 3: Cross multiply
447,428.09x = 617,450.85 × 246,224.09 - Step 4: Simplify right side
447,428.09x = 152,031,270,573.72 - Step 5: Solve for x
x = 152,031,270,573.72/447,428.09 - Step 6: Final answer
x = 339,789.29
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1.5x scale
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.