Finding the Fourth Proportional to 186,394.05, 279,314.60 and 136,904.13
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Solution
The fourth proportional to 186,394.05, 279,314.60 and 136,904.13 is: 205,153.12
Step by Step Solution
- Step 1: Write the proportion equation
186,394.05 : 279,314.60 = 136,904.13 : x - Step 2: Convert to fraction form
186,394.05/279,314.60 = 136,904.13/x - Step 3: Cross multiply
186,394.05x = 279,314.60 × 136,904.13 - Step 4: Simplify right side
186,394.05x = 38,239,321,624.78 - Step 5: Solve for x
x = 38,239,321,624.78/186,394.05 - Step 6: Final answer
x = 205,153.12
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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.