Finding the Fourth Proportional to 447,425.36, 617,446.64 and 246,221.36
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Solution
The fourth proportional to 447,425.36, 617,446.64 and 246,221.36 is: 339,785.28
Step by Step Solution
- Step 1: Write the proportion equation
447,425.36 : 617,446.64 = 246,221.36 : x - Step 2: Convert to fraction form
447,425.36/617,446.64 = 246,221.36/x - Step 3: Cross multiply
447,425.36x = 617,446.64 × 246,221.36 - Step 4: Simplify right side
447,425.36x = 152,028,551,428.23 - Step 5: Solve for x
x = 152,028,551,428.23/447,425.36 - Step 6: Final answer
x = 339,785.28
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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.