Finding the Fourth Proportional to 235,447.09, 352,992.79 and 121,472.80
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Solution
The fourth proportional to 235,447.09, 352,992.79 and 121,472.80 is: 182,117.44
Step by Step Solution
- Step 1: Write the proportion equation
235,447.09 : 352,992.79 = 121,472.80 : x - Step 2: Convert to fraction form
235,447.09/352,992.79 = 121,472.80/x - Step 3: Cross multiply
235,447.09x = 352,992.79 × 121,472.80 - Step 4: Simplify right side
235,447.09x = 42,879,021,394.95 - Step 5: Solve for x
x = 42,879,021,394.95/235,447.09 - Step 6: Final answer
x = 182,117.44
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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.