Finding the Fourth Proportional to 172,591.81, 238,250.41 and 116,035.99
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Solution
The fourth proportional to 172,591.81, 238,250.41 and 116,035.99 is: 160,179.23
Step by Step Solution
- Step 1: Write the proportion equation
172,591.81 : 238,250.41 = 116,035.99 : x - Step 2: Convert to fraction form
172,591.81/238,250.41 = 116,035.99/x - Step 3: Cross multiply
172,591.81x = 238,250.41 × 116,035.99 - Step 4: Simplify right side
172,591.81x = 27,645,623,299.40 - Step 5: Solve for x
x = 27,645,623,299.40/172,591.81 - Step 6: Final answer
x = 160,179.23
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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.