Finding the Fourth Proportional to 213,871.16, 295,121.99 and 127,813.02
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Solution
The fourth proportional to 213,871.16, 295,121.99 and 127,813.02 is: 176,369.89
Step by Step Solution
- Step 1: Write the proportion equation
213,871.16 : 295,121.99 = 127,813.02 : x - Step 2: Convert to fraction form
213,871.16/295,121.99 = 127,813.02/x - Step 3: Cross multiply
213,871.16x = 295,121.99 × 127,813.02 - Step 4: Simplify right side
213,871.16x = 37,720,432,171.24 - Step 5: Solve for x
x = 37,720,432,171.24/213,871.16 - Step 6: Final answer
x = 176,369.89
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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.