Finding the Fourth Proportional to 151,620.71, 209,194.56 and 97,907.99
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Solution
The fourth proportional to 151,620.71, 209,194.56 and 97,907.99 is: 135,085.89
Step by Step Solution
- Step 1: Write the proportion equation
151,620.71 : 209,194.56 = 97,907.99 : x - Step 2: Convert to fraction form
151,620.71/209,194.56 = 97,907.99/x - Step 3: Cross multiply
151,620.71x = 209,194.56 × 97,907.99 - Step 4: Simplify right side
151,620.71x = 20,481,817,842.56 - Step 5: Solve for x
x = 20,481,817,842.56/151,620.71 - Step 6: Final answer
x = 135,085.89
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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.