Finding the Fourth Proportional to 200,102.20, 299,750.10 and 124,991.80
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Solution
The fourth proportional to 200,102.20, 299,750.10 and 124,991.80 is: 187,235.85
Step by Step Solution
- Step 1: Write the proportion equation
200,102.20 : 299,750.10 = 124,991.80 : x - Step 2: Convert to fraction form
200,102.20/299,750.10 = 124,991.80/x - Step 3: Cross multiply
200,102.20x = 299,750.10 × 124,991.80 - Step 4: Simplify right side
200,102.20x = 37,466,304,549.18 - Step 5: Solve for x
x = 37,466,304,549.18/200,102.20 - Step 6: Final answer
x = 187,235.85
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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.