Finding the Fourth Proportional to 423,268.26, 634,921.83 and 107,727.90
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Solution
The fourth proportional to 423,268.26, 634,921.83 and 107,727.90 is: 161,596.80
Step by Step Solution
- Step 1: Write the proportion equation
423,268.26 : 634,921.83 = 107,727.90 : x - Step 2: Convert to fraction form
423,268.26/634,921.83 = 107,727.90/x - Step 3: Cross multiply
423,268.26x = 634,921.83 × 107,727.90 - Step 4: Simplify right side
423,268.26x = 68,398,795,410.06 - Step 5: Solve for x
x = 68,398,795,410.06/423,268.26 - Step 6: Final answer
x = 161,596.80
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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.