Finding the Fourth Proportional to 186,419.03, 257,258.12 and 101,536.09
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Solution
The fourth proportional to 186,419.03, 257,258.12 and 101,536.09 is: 140,119.72
Step by Step Solution
- Step 1: Write the proportion equation
186,419.03 : 257,258.12 = 101,536.09 : x - Step 2: Convert to fraction form
186,419.03/257,258.12 = 101,536.09/x - Step 3: Cross multiply
186,419.03x = 257,258.12 × 101,536.09 - Step 4: Simplify right side
186,419.03x = 26,120,982,474.73 - Step 5: Solve for x
x = 26,120,982,474.73/186,419.03 - Step 6: Final answer
x = 140,119.72
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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.