Finding the Fourth Proportional to 324,628.05, 448,273.96 and 202,329.15
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Solution
The fourth proportional to 324,628.05, 448,273.96 and 202,329.15 is: 279,393.26
Step by Step Solution
- Step 1: Write the proportion equation
324,628.05 : 448,273.96 = 202,329.15 : x - Step 2: Convert to fraction form
324,628.05/448,273.96 = 202,329.15/x - Step 3: Cross multiply
324,628.05x = 448,273.96 × 202,329.15 - Step 4: Simplify right side
324,628.05x = 90,698,890,154.44 - Step 5: Solve for x
x = 90,698,890,154.44/324,628.05 - Step 6: Final answer
x = 279,393.26
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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.