Finding the Fourth Proportional to 135,243.01, 202,882.98 and 56,338.78
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Solution
The fourth proportional to 135,243.01, 202,882.98 and 56,338.78 is: 84,515.86
Step by Step Solution
- Step 1: Write the proportion equation
135,243.01 : 202,882.98 = 56,338.78 : x - Step 2: Convert to fraction form
135,243.01/202,882.98 = 56,338.78/x - Step 3: Cross multiply
135,243.01x = 202,882.98 × 56,338.78 - Step 4: Simplify right side
135,243.01x = 11,430,179,294.27 - Step 5: Solve for x
x = 11,430,179,294.27/135,243.01 - Step 6: Final answer
x = 84,515.86
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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.