Finding the Fourth Proportional to 171,518.28, 236,697.74 and 99,896.44
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Solution
The fourth proportional to 171,518.28, 236,697.74 and 99,896.44 is: 137,858.55
Step by Step Solution
- Step 1: Write the proportion equation
171,518.28 : 236,697.74 = 99,896.44 : x - Step 2: Convert to fraction form
171,518.28/236,697.74 = 99,896.44/x - Step 3: Cross multiply
171,518.28x = 236,697.74 × 99,896.44 - Step 4: Simplify right side
171,518.28x = 23,645,261,582.05 - Step 5: Solve for x
x = 23,645,261,582.05/171,518.28 - Step 6: Final answer
x = 137,858.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.