Finding the Fourth Proportional to 239,889.84, 359,376.84 and 134,389.68
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Solution
The fourth proportional to 239,889.84, 359,376.84 and 134,389.68 is: 201,327.99
Step by Step Solution
- Step 1: Write the proportion equation
239,889.84 : 359,376.84 = 134,389.68 : x - Step 2: Convert to fraction form
239,889.84/359,376.84 = 134,389.68/x - Step 3: Cross multiply
239,889.84x = 359,376.84 × 134,389.68 - Step 4: Simplify right side
239,889.84x = 48,296,538,527.01 - Step 5: Solve for x
x = 48,296,538,527.01/239,889.84 - Step 6: Final answer
x = 201,327.99
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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.