Finding the Fourth Proportional to 171,422.67, 236,563.97 and 99,851.88
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Solution
The fourth proportional to 171,422.67, 236,563.97 and 99,851.88 is: 137,795.99
Step by Step Solution
- Step 1: Write the proportion equation
171,422.67 : 236,563.97 = 99,851.88 : x - Step 2: Convert to fraction form
171,422.67/236,563.97 = 99,851.88/x - Step 3: Cross multiply
171,422.67x = 236,563.97 × 99,851.88 - Step 4: Simplify right side
171,422.67x = 23,621,356,645.50 - Step 5: Solve for x
x = 23,621,356,645.50/171,422.67 - Step 6: Final answer
x = 137,795.99
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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.