Finding the Fourth Proportional to 405,674.87, 608,505.41 and 121,366.08
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Solution
The fourth proportional to 405,674.87, 608,505.41 and 121,366.08 is: 182,047.06
Step by Step Solution
- Step 1: Write the proportion equation
405,674.87 : 608,505.41 = 121,366.08 : x - Step 2: Convert to fraction form
405,674.87/608,505.41 = 121,366.08/x - Step 3: Cross multiply
405,674.87x = 608,505.41 × 121,366.08 - Step 4: Simplify right side
405,674.87x = 73,851,916,573.91 - Step 5: Solve for x
x = 73,851,916,573.91/405,674.87 - Step 6: Final answer
x = 182,047.06
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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.