Finding the Fourth Proportional to 319,633.49, 441,104.81 and 174,447.20
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Solution
The fourth proportional to 319,633.49, 441,104.81 and 174,447.20 is: 240,742.92
Step by Step Solution
- Step 1: Write the proportion equation
319,633.49 : 441,104.81 = 174,447.20 : x - Step 2: Convert to fraction form
319,633.49/441,104.81 = 174,447.20/x - Step 3: Cross multiply
319,633.49x = 441,104.81 × 174,447.20 - Step 4: Simplify right side
319,633.49x = 76,949,499,241.56 - Step 5: Solve for x
x = 76,949,499,241.56/319,633.49 - Step 6: Final answer
x = 240,742.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.