Finding the Fourth Proportional to 136,564.84, 204,910.62 and 57,697.48
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Solution
The fourth proportional to 136,564.84, 204,910.62 and 57,697.48 is: 86,572.99
Step by Step Solution
- Step 1: Write the proportion equation
136,564.84 : 204,910.62 = 57,697.48 : x - Step 2: Convert to fraction form
136,564.84/204,910.62 = 57,697.48/x - Step 3: Cross multiply
136,564.84x = 204,910.62 × 57,697.48 - Step 4: Simplify right side
136,564.84x = 11,822,826,399.24 - Step 5: Solve for x
x = 11,822,826,399.24/136,564.84 - Step 6: Final answer
x = 86,572.99
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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.