Finding the Fourth Proportional to 470,899.76, 649,823.74 and 256,039.99
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Solution
The fourth proportional to 470,899.76, 649,823.74 and 256,039.99 is: 353,325.44
Step by Step Solution
- Step 1: Write the proportion equation
470,899.76 : 649,823.74 = 256,039.99 : x - Step 2: Convert to fraction form
470,899.76/649,823.74 = 256,039.99/x - Step 3: Cross multiply
470,899.76x = 649,823.74 × 256,039.99 - Step 4: Simplify right side
470,899.76x = 166,380,861,626.70 - Step 5: Solve for x
x = 166,380,861,626.70/470,899.76 - Step 6: Final answer
x = 353,325.44
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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.