Finding the Fourth Proportional to 235,246.20, 324,634.14 and 127,813.80
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Solution
The fourth proportional to 235,246.20, 324,634.14 and 127,813.80 is: 176,379.99
Step by Step Solution
- Step 1: Write the proportion equation
235,246.20 : 324,634.14 = 127,813.80 : x - Step 2: Convert to fraction form
235,246.20/324,634.14 = 127,813.80/x - Step 3: Cross multiply
235,246.20x = 324,634.14 × 127,813.80 - Step 4: Simplify right side
235,246.20x = 41,492,723,043.13 - Step 5: Solve for x
x = 41,492,723,043.13/235,246.20 - Step 6: Final answer
x = 176,379.99
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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.