Finding the Fourth Proportional to 305,498.76, 458,102.70 and 125,556.06
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Solution
The fourth proportional to 305,498.76, 458,102.70 and 125,556.06 is: 188,274.32
Step by Step Solution
- Step 1: Write the proportion equation
305,498.76 : 458,102.70 = 125,556.06 : x - Step 2: Convert to fraction form
305,498.76/458,102.70 = 125,556.06/x - Step 3: Cross multiply
305,498.76x = 458,102.70 × 125,556.06 - Step 4: Simplify right side
305,498.76x = 57,517,570,087.36 - Step 5: Solve for x
x = 57,517,570,087.36/305,498.76 - Step 6: Final answer
x = 188,274.32
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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.