Finding the Fourth Proportional to 470,965.44, 649,935.36 and 256,107.84
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Solution
The fourth proportional to 470,965.44, 649,935.36 and 256,107.84 is: 353,430.48
Step by Step Solution
- Step 1: Write the proportion equation
470,965.44 : 649,935.36 = 256,107.84 : x - Step 2: Convert to fraction form
470,965.44/649,935.36 = 256,107.84/x - Step 3: Cross multiply
470,965.44x = 649,935.36 × 256,107.84 - Step 4: Simplify right side
470,965.44x = 166,453,541,189.22 - Step 5: Solve for x
x = 166,453,541,189.22/470,965.44 - Step 6: Final answer
x = 353,430.48
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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.