Finding the Fourth Proportional to 287,670.39, 430,867.17 and 186,141.99
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Solution
The fourth proportional to 287,670.39, 430,867.17 and 186,141.99 is: 278,799.88
Step by Step Solution
- Step 1: Write the proportion equation
287,670.39 : 430,867.17 = 186,141.99 : x - Step 2: Convert to fraction form
287,670.39/430,867.17 = 186,141.99/x - Step 3: Cross multiply
287,670.39x = 430,867.17 × 186,141.99 - Step 4: Simplify right side
287,670.39x = 80,202,471,518.76 - Step 5: Solve for x
x = 80,202,471,518.76/287,670.39 - Step 6: Final answer
x = 278,799.88
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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.