Finding the Fourth Proportional to 691,921.44, 1,037,990.70 and 186,502.23
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Solution
The fourth proportional to 691,921.44, 1,037,990.70 and 186,502.23 is: 279,782.60
Step by Step Solution
- Step 1: Write the proportion equation
691,921.44 : 1,037,990.70 = 186,502.23 : x - Step 2: Convert to fraction form
691,921.44/1,037,990.70 = 186,502.23/x - Step 3: Cross multiply
691,921.44x = 1,037,990.70 × 186,502.23 - Step 4: Simplify right side
691,921.44x = 193,587,580,269.26 - Step 5: Solve for x
x = 193,587,580,269.26/691,921.44 - Step 6: Final answer
x = 279,782.60
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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.