Finding the Fourth Proportional to 293,536.80, 440,013.60 and 135,489.60
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Solution
The fourth proportional to 293,536.80, 440,013.60 and 135,489.60 is: 203,099.80
Step by Step Solution
- Step 1: Write the proportion equation
293,536.80 : 440,013.60 = 135,489.60 : x - Step 2: Convert to fraction form
293,536.80/440,013.60 = 135,489.60/x - Step 3: Cross multiply
293,536.80x = 440,013.60 × 135,489.60 - Step 4: Simplify right side
293,536.80x = 59,617,266,658.56 - Step 5: Solve for x
x = 59,617,266,658.56/293,536.80 - Step 6: Final answer
x = 203,099.80
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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.