Finding the Fourth Proportional to 116,396.84, 174,816.70 and 72,331.52
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Solution
The fourth proportional to 116,396.84, 174,816.70 and 72,331.52 is: 108,634.88
Step by Step Solution
- Step 1: Write the proportion equation
116,396.84 : 174,816.70 = 72,331.52 : x - Step 2: Convert to fraction form
116,396.84/174,816.70 = 72,331.52/x - Step 3: Cross multiply
116,396.84x = 174,816.70 × 72,331.52 - Step 4: Simplify right side
116,396.84x = 12,644,756,577.47 - Step 5: Solve for x
x = 12,644,756,577.47/116,396.84 - Step 6: Final answer
x = 108,634.88
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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.