Finding the Fourth Proportional to 134,830.20, 202,245.30 and 92,839.80
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Solution
The fourth proportional to 134,830.20, 202,245.30 and 92,839.80 is: 139,259.70
Step by Step Solution
- Step 1: Write the proportion equation
134,830.20 : 202,245.30 = 92,839.80 : x - Step 2: Convert to fraction form
134,830.20/202,245.30 = 92,839.80/x - Step 3: Cross multiply
134,830.20x = 202,245.30 × 92,839.80 - Step 4: Simplify right side
134,830.20x = 18,776,413,202.94 - Step 5: Solve for x
x = 18,776,413,202.94/134,830.20 - Step 6: Final answer
x = 139,259.70
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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.