Finding the Fourth Proportional to 186,107.12, 279,277.36 and 97,431.60
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Solution
The fourth proportional to 186,107.12, 279,277.36 and 97,431.60 is: 146,208.48
Step by Step Solution
- Step 1: Write the proportion equation
186,107.12 : 279,277.36 = 97,431.60 : x - Step 2: Convert to fraction form
186,107.12/279,277.36 = 97,431.60/x - Step 3: Cross multiply
186,107.12x = 279,277.36 × 97,431.60 - Step 4: Simplify right side
186,107.12x = 27,210,440,028.58 - Step 5: Solve for x
x = 27,210,440,028.58/186,107.12 - Step 6: Final answer
x = 146,208.48
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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.