Finding the Fourth Proportional to 235,309.69, 324,729.40 and 127,879.70
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Solution
The fourth proportional to 235,309.69, 324,729.40 and 127,879.70 is: 176,475.09
Step by Step Solution
- Step 1: Write the proportion equation
235,309.69 : 324,729.40 = 127,879.70 : x - Step 2: Convert to fraction form
235,309.69/324,729.40 = 127,879.70/x - Step 3: Cross multiply
235,309.69x = 324,729.40 × 127,879.70 - Step 4: Simplify right side
235,309.69x = 41,526,298,253.18 - Step 5: Solve for x
x = 41,526,298,253.18/235,309.69 - Step 6: Final answer
x = 176,475.09
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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.