Finding the Fourth Proportional to 228,352.35, 315,119.75 and 126,382.08
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Solution
The fourth proportional to 228,352.35, 315,119.75 and 126,382.08 is: 174,403.68
Step by Step Solution
- Step 1: Write the proportion equation
228,352.35 : 315,119.75 = 126,382.08 : x - Step 2: Convert to fraction form
228,352.35/315,119.75 = 126,382.08/x - Step 3: Cross multiply
228,352.35x = 315,119.75 × 126,382.08 - Step 4: Simplify right side
228,352.35x = 39,825,489,454.08 - Step 5: Solve for x
x = 39,825,489,454.08/228,352.35 - Step 6: Final answer
x = 174,403.68
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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.