Finding the Fourth Proportional to 171,424.71, 257,302.91 and 82,740.63
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Solution
The fourth proportional to 171,424.71, 257,302.91 and 82,740.63 is: 124,190.99
Step by Step Solution
- Step 1: Write the proportion equation
171,424.71 : 257,302.91 = 82,740.63 : x - Step 2: Convert to fraction form
171,424.71/257,302.91 = 82,740.63/x - Step 3: Cross multiply
171,424.71x = 257,302.91 × 82,740.63 - Step 4: Simplify right side
171,424.71x = 21,289,404,460.53 - Step 5: Solve for x
x = 21,289,404,460.53/171,424.71 - Step 6: Final answer
x = 124,190.99
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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.