Finding the Fourth Proportional to 208,155.01, 287,260.91 and 127,566.99
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Solution
The fourth proportional to 208,155.01, 287,260.91 and 127,566.99 is: 176,046.73
Step by Step Solution
- Step 1: Write the proportion equation
208,155.01 : 287,260.91 = 127,566.99 : x - Step 2: Convert to fraction form
208,155.01/287,260.91 = 127,566.99/x - Step 3: Cross multiply
208,155.01x = 287,260.91 × 127,566.99 - Step 4: Simplify right side
208,155.01x = 36,645,008,995.53 - Step 5: Solve for x
x = 36,645,008,995.53/208,155.01 - Step 6: Final answer
x = 176,046.73
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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.