Finding the Fourth Proportional to 189,417.60, 261,394.56 and 104,536.08
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Solution
The fourth proportional to 189,417.60, 261,394.56 and 104,536.08 is: 144,258.84
Step by Step Solution
- Step 1: Write the proportion equation
189,417.60 : 261,394.56 = 104,536.08 : x - Step 2: Convert to fraction form
189,417.60/261,394.56 = 104,536.08/x - Step 3: Cross multiply
189,417.60x = 261,394.56 × 104,536.08 - Step 4: Simplify right side
189,417.60x = 27,325,162,635.72 - Step 5: Solve for x
x = 27,325,162,635.72/189,417.60 - Step 6: Final answer
x = 144,258.84
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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.