Finding the Fourth Proportional to 145,968.91, 201,360.61 and 126,805.66
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Solution
The fourth proportional to 145,968.91, 201,360.61 and 126,805.66 is: 174,925.37
Step by Step Solution
- Step 1: Write the proportion equation
145,968.91 : 201,360.61 = 126,805.66 : x - Step 2: Convert to fraction form
145,968.91/201,360.61 = 126,805.66/x - Step 3: Cross multiply
145,968.91x = 201,360.61 × 126,805.66 - Step 4: Simplify right side
145,968.91x = 25,533,665,049.05 - Step 5: Solve for x
x = 25,533,665,049.05/145,968.91 - Step 6: Final answer
x = 174,925.37
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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.