Finding the Fourth Proportional to 136,566.84, 204,913.62 and 57,699.48
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Solution
The fourth proportional to 136,566.84, 204,913.62 and 57,699.48 is: 86,575.99
Step by Step Solution
- Step 1: Write the proportion equation
136,566.84 : 204,913.62 = 57,699.48 : x - Step 2: Convert to fraction form
136,566.84/204,913.62 = 57,699.48/x - Step 3: Cross multiply
136,566.84x = 204,913.62 × 57,699.48 - Step 4: Simplify right side
136,566.84x = 11,823,409,318.92 - Step 5: Solve for x
x = 11,823,409,318.92/136,566.84 - Step 6: Final answer
x = 86,575.99
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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.