Finding the Fourth Proportional to 135,490.80, 202,847.40 and 83,002.80
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Solution
The fourth proportional to 135,490.80, 202,847.40 and 83,002.80 is: 124,266.02
Step by Step Solution
- Step 1: Write the proportion equation
135,490.80 : 202,847.40 = 83,002.80 : x - Step 2: Convert to fraction form
135,490.80/202,847.40 = 83,002.80/x - Step 3: Cross multiply
135,490.80x = 202,847.40 × 83,002.80 - Step 4: Simplify right side
135,490.80x = 16,836,902,172.72 - Step 5: Solve for x
x = 16,836,902,172.72/135,490.80 - Step 6: Final answer
x = 124,266.02
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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.