Finding the Fourth Proportional to 235,347.09, 324,780.98 and 127,917.11
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Solution
The fourth proportional to 235,347.09, 324,780.98 and 127,917.11 is: 176,526.69
Step by Step Solution
- Step 1: Write the proportion equation
235,347.09 : 324,780.98 = 127,917.11 : x - Step 2: Convert to fraction form
235,347.09/324,780.98 = 127,917.11/x - Step 3: Cross multiply
235,347.09x = 324,780.98 × 127,917.11 - Step 4: Simplify right side
235,347.09x = 41,545,042,081.08 - Step 5: Solve for x
x = 41,545,042,081.08/235,347.09 - Step 6: Final answer
x = 176,526.69
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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.