Finding the Fourth Proportional to 135,045.20, 202,567.80 and 36,549.20
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Solution
The fourth proportional to 135,045.20, 202,567.80 and 36,549.20 is: 54,823.80
Step by Step Solution
- Step 1: Write the proportion equation
135,045.20 : 202,567.80 = 36,549.20 : x - Step 2: Convert to fraction form
135,045.20/202,567.80 = 36,549.20/x - Step 3: Cross multiply
135,045.20x = 202,567.80 × 36,549.20 - Step 4: Simplify right side
135,045.20x = 7,403,691,035.76 - Step 5: Solve for x
x = 7,403,691,035.76/135,045.20 - Step 6: Final answer
x = 54,823.80
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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.