Finding the Fourth Proportional to 407,727.68, 611,543.97 and 108,231.53
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Solution
The fourth proportional to 407,727.68, 611,543.97 and 108,231.53 is: 162,334.67
Step by Step Solution
- Step 1: Write the proportion equation
407,727.68 : 611,543.97 = 108,231.53 : x - Step 2: Convert to fraction form
407,727.68/611,543.97 = 108,231.53/x - Step 3: Cross multiply
407,727.68x = 611,543.97 × 108,231.53 - Step 4: Simplify right side
407,727.68x = 66,188,336,477.65 - Step 5: Solve for x
x = 66,188,336,477.65/407,727.68 - Step 6: Final answer
x = 162,334.67
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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.