Finding the Fourth Proportional to 485,928.08, 728,943.96 and 205,473.68
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Solution
The fourth proportional to 485,928.08, 728,943.96 and 205,473.68 is: 308,232.44
Step by Step Solution
- Step 1: Write the proportion equation
485,928.08 : 728,943.96 = 205,473.68 : x - Step 2: Convert to fraction form
485,928.08/728,943.96 = 205,473.68/x - Step 3: Cross multiply
485,928.08x = 728,943.96 × 205,473.68 - Step 4: Simplify right side
485,928.08x = 149,778,797,974.97 - Step 5: Solve for x
x = 149,778,797,974.97/485,928.08 - Step 6: Final answer
x = 308,232.44
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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.