Finding the Fourth Proportional to 485,952.08, 728,979.96 and 205,497.68
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Solution
The fourth proportional to 485,952.08, 728,979.96 and 205,497.68 is: 308,268.44
Step by Step Solution
- Step 1: Write the proportion equation
485,952.08 : 728,979.96 = 205,497.68 : x - Step 2: Convert to fraction form
485,952.08/728,979.96 = 205,497.68/x - Step 3: Cross multiply
485,952.08x = 728,979.96 × 205,497.68 - Step 4: Simplify right side
485,952.08x = 149,803,690,546.49 - Step 5: Solve for x
x = 149,803,690,546.49/485,952.08 - Step 6: Final answer
x = 308,268.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.