Finding the Fourth Proportional to 136,285.18, 204,469.64 and 69,771.99
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Solution
The fourth proportional to 136,285.18, 204,469.64 and 69,771.99 is: 104,679.43
Step by Step Solution
- Step 1: Write the proportion equation
136,285.18 : 204,469.64 = 69,771.99 : x - Step 2: Convert to fraction form
136,285.18/204,469.64 = 69,771.99/x - Step 3: Cross multiply
136,285.18x = 204,469.64 × 69,771.99 - Step 4: Simplify right side
136,285.18x = 14,266,254,356.93 - Step 5: Solve for x
x = 14,266,254,356.93/136,285.18 - Step 6: Final answer
x = 104,679.43
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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.