Finding the Fourth Proportional to 190,138.14, 262,346.31 and 113,682.06
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Solution
The fourth proportional to 190,138.14, 262,346.31 and 113,682.06 is: 156,854.74
Step by Step Solution
- Step 1: Write the proportion equation
190,138.14 : 262,346.31 = 113,682.06 : x - Step 2: Convert to fraction form
190,138.14/262,346.31 = 113,682.06/x - Step 3: Cross multiply
190,138.14x = 262,346.31 × 113,682.06 - Step 4: Simplify right side
190,138.14x = 29,824,068,954.20 - Step 5: Solve for x
x = 29,824,068,954.20/190,138.14 - Step 6: Final answer
x = 156,854.74
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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.