Finding the Fourth Proportional to 478,563.38, 717,322.81 and 235,571.68
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Solution
The fourth proportional to 478,563.38, 717,322.81 and 235,571.68 is: 353,100.44
Step by Step Solution
- Step 1: Write the proportion equation
478,563.38 : 717,322.81 = 235,571.68 : x - Step 2: Convert to fraction form
478,563.38/717,322.81 = 235,571.68/x - Step 3: Cross multiply
478,563.38x = 717,322.81 × 235,571.68 - Step 4: Simplify right side
478,563.38x = 168,980,939,764.08 - Step 5: Solve for x
x = 168,980,939,764.08/478,563.38 - Step 6: Final answer
x = 353,100.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.