Finding the Fourth Proportional to 148,599.63, 222,986.93 and 55,170.99
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Solution
The fourth proportional to 148,599.63, 222,986.93 and 55,170.99 is: 82,788.96
Step by Step Solution
- Step 1: Write the proportion equation
148,599.63 : 222,986.93 = 55,170.99 : x - Step 2: Convert to fraction form
148,599.63/222,986.93 = 55,170.99/x - Step 3: Cross multiply
148,599.63x = 222,986.93 × 55,170.99 - Step 4: Simplify right side
148,599.63x = 12,302,409,409.31 - Step 5: Solve for x
x = 12,302,409,409.31/148,599.63 - Step 6: Final answer
x = 82,788.96
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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.