Finding the Fourth Proportional to 403,290.68, 605,309.64 and 203,751.68
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Solution
The fourth proportional to 403,290.68, 605,309.64 and 203,751.68 is: 305,816.28
Step by Step Solution
- Step 1: Write the proportion equation
403,290.68 : 605,309.64 = 203,751.68 : x - Step 2: Convert to fraction form
403,290.68/605,309.64 = 203,751.68/x - Step 3: Cross multiply
403,290.68x = 605,309.64 × 203,751.68 - Step 4: Simplify right side
403,290.68x = 123,332,856,070.20 - Step 5: Solve for x
x = 123,332,856,070.20/403,290.68 - Step 6: Final answer
x = 305,816.28
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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.