Finding the Fourth Proportional to 691,845.93, 1,037,682.99 and 186,446.43
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Solution
The fourth proportional to 691,845.93, 1,037,682.99 and 186,446.43 is: 279,646.49
Step by Step Solution
- Step 1: Write the proportion equation
691,845.93 : 1,037,682.99 = 186,446.43 : x - Step 2: Convert to fraction form
691,845.93/1,037,682.99 = 186,446.43/x - Step 3: Cross multiply
691,845.93x = 1,037,682.99 × 186,446.43 - Step 4: Simplify right side
691,845.93x = 193,472,288,957.23 - Step 5: Solve for x
x = 193,472,288,957.23/691,845.93 - Step 6: Final answer
x = 279,646.49
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1.5x scale
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.