Finding the Fourth Proportional to 136,670.41, 205,011.87 and 41,893.75
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Solution
The fourth proportional to 136,670.41, 205,011.87 and 41,893.75 is: 62,842.54
Step by Step Solution
- Step 1: Write the proportion equation
136,670.41 : 205,011.87 = 41,893.75 : x - Step 2: Convert to fraction form
136,670.41/205,011.87 = 41,893.75/x - Step 3: Cross multiply
136,670.41x = 205,011.87 × 41,893.75 - Step 4: Simplify right side
136,670.41x = 8,588,716,028.81 - Step 5: Solve for x
x = 8,588,716,028.81/136,670.41 - Step 6: Final answer
x = 62,842.54
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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.