Finding the Fourth Proportional to 235,323.05, 324,747.86 and 127,893.06
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Solution
The fourth proportional to 235,323.05, 324,747.86 and 127,893.06 is: 176,493.54
Step by Step Solution
- Step 1: Write the proportion equation
235,323.05 : 324,747.86 = 127,893.06 : x - Step 2: Convert to fraction form
235,323.05/324,747.86 = 127,893.06/x - Step 3: Cross multiply
235,323.05x = 324,747.86 × 127,893.06 - Step 4: Simplify right side
235,323.05x = 41,532,996,904.39 - Step 5: Solve for x
x = 41,532,996,904.39/235,323.05 - Step 6: Final answer
x = 176,493.54
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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.