Finding the Fourth Proportional to 470,836.17, 649,760.99 and 255,975.75
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Solution
The fourth proportional to 470,836.17, 649,760.99 and 255,975.75 is: 353,250.38
Step by Step Solution
- Step 1: Write the proportion equation
470,836.17 : 649,760.99 = 255,975.75 : x - Step 2: Convert to fraction form
470,836.17/649,760.99 = 255,975.75/x - Step 3: Cross multiply
470,836.17x = 649,760.99 × 255,975.75 - Step 4: Simplify right side
470,836.17x = 166,323,055,456.11 - Step 5: Solve for x
x = 166,323,055,456.11/470,836.17 - Step 6: Final answer
x = 353,250.38
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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.