Finding the Fourth Proportional to 306,769.42, 459,766.41 and 138,110.14
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Solution
The fourth proportional to 306,769.42, 459,766.41 and 138,110.14 is: 206,990.66
Step by Step Solution
- Step 1: Write the proportion equation
306,769.42 : 459,766.41 = 138,110.14 : x - Step 2: Convert to fraction form
306,769.42/459,766.41 = 138,110.14/x - Step 3: Cross multiply
306,769.42x = 459,766.41 × 138,110.14 - Step 4: Simplify right side
306,769.42x = 63,498,403,252.40 - Step 5: Solve for x
x = 63,498,403,252.40/306,769.42 - Step 6: Final answer
x = 206,990.66
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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.